Theres also wonderful food and drink, museums and galleries, cycling and other kinds of physical activity, as well as great shopping and open spaces. Q. Odessa (Ukraine) to Krakow including time spent getting to/from There is no travel advisory against travelling to Poland or its borders from the UK Foreign Office. Krakow, for example, is very close to Ukraines border. Since the outbreak of the war, however, cancellations of all bookings have been coming all the time, not only in the near future, but also in the fall. To see the details on this flight plan, including If you need anything else - please contact me by email: karolina.sleczkowska@discovercracow.com. Are there restrictions returning to Ukraine from Poland? We offer an extensive range of e-commerce website design and e-commerce web development solutions in the form of e-commerce payment gateway integration, shopping cart software, custom application development, Internet marketing, e-Payment to companies across the globe. The cheapest way to get from Krakow to Ukraine is to night bus and bus and fly and train which costs $410-$1,200 and takes 26h 40m. The bus is more simple and takes you once daily. As Jacek Legendziewicz, deputy head of the Maopolska Chamber of Hotels, points out, after two difficult years for the industry, February 2022 came, which gave high hopes. The distance between Krakw and Ukraine is 510 miles. Google Flights and Skyscanner.net do not show any alternatives. Find all the transport options for your trip from Krakow to Ukraine right here. or expand your search to get the world distance for international But on November 15, following an extended shelling in Ukraine, a stray Russian-made missile landed on the village of Przewodw, located in the Lubelskie province of eastern Poland. No, returning to Poland from Ukraine is currently allowed. When looking for places to see near Krakow, the most fascinating places of interest arecastles. As you can see, there is no need for you to sit bored in a hotel. trips. But for most of us, we're going to be flying on a commercial airline to Kyiv-Pas. One of the reasons for the move was the fact that both Saint Sophia Cathedra and Kiev Pechersk Lavra are recognized by the UNESCO World Heritage Program as one complex, while in Ukraine the two were governed by different government entities. 2 weeks since my return from Ukraine from a 2 weeks vacation there. Go and admire its special atmosphere and architecture. But for now, here's an example we've selected to There is no war in Krakow. (source: Polskie Szlaki). The distance calculator helps you figure out how Domestic travel is not restricted, but some conditions may apply. Will the ban on British flights across Russian airspace cause delays to other destinations beyond Russia? ', 'Should I book online before I travel? That's what Trippy is perfect for, ', 'How much should I expect to pay? It is 160 miles from Krakow to Ukraine but flights are running as usual. KRAKOW, Poland Galia Alacheva, an art-loving 17-year-old from the Ukrainian port city of Odesa, sips tea in a pop-up lunchroom tucked into a shuttered mall. On the other hand, given the wild swings that the price of a ticket routinely goes through over its months on sale, driven by competition, changes in demand from leisure and business travellers and algorithms known only to the airline, the increase may not be as evident as it is at the petrol station. It ends in Kiev, Ukraine. Writing for Discover Cracow and sharing what I know with the visitors makes me really glad and excited! From Krakow to the South Pole, it is 9,678.19 mi (15,575.55 km) in the north. Rome2rio displays up to date schedules, route maps, journey times and estimated fares from relevant transport operators, ensuring you can make an informed decision about which option will suit you best. The road distance is 540.1 miles. Two Polish citizens were killed. plane and just wanted to know the time in the air from city to city. Eurovision, the Coronation, majestic road trips - it'll be all go on the staycation front in 2023, Jet2holidays and Kuoni are rated as the best beach and resort package holiday providers by Which? The museum opened in 1964, after the airfield closed in 1963. WebKrakw [a] ( Polish: [krakuf] ( listen) ), or Cracow, is the second-largest and one of the oldest cities in Poland. the flying distance "as the crow flies." The same is true of the Polish border. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket? Ukraine to Krakw train services, operated by Ukrainian Railways, depart from Kyiv-Pas. You can lookup U.S. cities, Cited as one of Europe's most beautiful cities, its Old Town was declared the first UNESCO World Heritage Site in the world. Additionally, JCC Krakow has helped connect women who have been victims of sexual violence with pscyhologists trained in responding to trauma, provided free legal counseling to refugees, sent supplies into Ukraine to help civilians living close to the frontlines and assisted those fleeing with travel expenses. (source: Polska The Times), Market Square and the church in Wadowice at night. Scroll down to see a more realistic calculation that takes Find all the transport options for your trip from Krakw to Ukraine right here. It is known for itsItalian gardens. economy Alternatively, FlixBus operates a bus from Krakw, What are the travel restrictions in Krakw? Yes, fly with a non-British airline that has been given permission to cross into Russian airspace. Its stark-looking walls take you to medieval Poland. (source: crazy nauka). Rafa Marek from the Krakow Chamber of Tourism said that a survey was carried out on how the war in Ukraine affected the tourism industry in the city. But what if youve already seen everything that the city offers? Corona Virus basketball You can visit his home, see how he lived before he became a priest. If you were wondering whether there is a war in Ukraine in Krakow, the answer is no. Last updated: 5 Jan 2023 Russia the way, check out the full road trip planner: In the quick calculation above, we assumed you had a private Are refunds being offered if you had a direct flight booked to Russia? To jedyny raport w Polsce, ktry zawiera wyczerpujce informacje na temat segmentu sprzeday produktw OTC online w tym prognozy, analiz trendw i komentarz ekspercki.Przedstawia dogbn analiz poszczeglnych segmentw rynku, z podziaem na kategorie:. Karol Wojtyla, who in 1978 became Pope John Paul II, the day after his ordination to the priesthood, offered his first Mass as a priest in the Crypt of the Cathedral on 2 November 1946, and was ordained Krakw's auxiliary bishop in the Cathedral on 28 September 1958. Dinamo [6] There is a real risk to life.. In 1978 it was declared a UNESCO World Heritage Site as part of the Historic Centre of Krakw. Heres an exciting list of things to do in Krakw ', 'Do the trains and buses have Wifi?' It is one of the most famous old districts in Poland today and was the centre of Poland's political life from 1038 until King Sigismund III Vasa relocated his court to Warsaw in 1596.. Stanisawa i Wacawa na Wawelu), also known as the Wawel Cathedral (Polish: katedra wawelska), is a Roman Catholic church located on Wawel Hill in Krakw, Poland. Kiev or Kyiv (Ukrainian: Kyiv; Russian: Kiyev) is the capital and most populous city of Ukraine. Write: [emailprotected]. Technology The UK Foreign Office has made no changes to its advice for most of Ukraines neighbours to the west, including Slovakia, Hungary and Romania, which means they are not considered as being at risk. To see all the details on this itinerary, including Take the bus from Krakw, Dworzec Autobusowy MDA to Kyiv, Take the train from Rzeszow Glowny to Przemysl Glowny, Fly from Krakow (KRK) to Warsaw Chopin (WAW), Take the train from Warszawa Wschodnia to Lublin, Take the train from Krakow Glowny to Katowice. The square has been known under many different names, but often it is called simply Maidan ("square"). Are there restrictions returning to United States from Ukraine? We're working around the clock to bring you the latest COVID-19 travel updates.This information is compiled from official sources. Tickets cost 1 100 - 1 800 and the journey takes 14h 50m. The cheapest way to get from Krakw to Ukraine is to rideshare which costs $24 and takes 12h 30m. The cheapest way to get from Ukraine to Krakw is to bus which costs $40-$55 and takes 17h 17m. Exceptions may apply, for full details: Visit Ukraine. include how many minutes to get to your local airport, wait WebKrakw was made the capital of the General Government (the part of occupied Poland not directly incorporated into Germany), and by May 1940 the German occupation authority headed by the Governor-General Hans Frank announced that Krakw should become the racially cleanest" city in the General Government. Do I have to wear a face mask on public transport in Krakw? Krakw helps Ukraine - summary of activities 2022-07-01 A A A Krakw has been a place to live for many Ukrainians for years. Auto ice Hockey Amtrak trains are known for their wide seats, plug-in power, big windows and storage capabilities. Duration - 2h Tour + 1h 20min Transport Both Ways, Duration - 2,5h Auschwitz Tour + 1,5h Birkenau Tour + 3h Return Transport. It is in north-central Ukraine along the Dnieper River. More info on this route:drive from Odessa to Krakowroad conditionsalternate routesGoogle driving directions. ', 'Should I book online before I travel? Rome2rio also offers online bookings for selected operators, making reservations easy and straightforward. Krakw is the second largest and one of the oldest cities in Poland. Tickets cost $40-$55 and the journey takes 14h 30m. Kiev Pechersk Lavra or Kyiv Pechersk Lavra(Ukrainian: - , Kyievo-Pechers'ka lavra, Russian: e- , Kievo-Pecherskaya lavra), also known as the Kiev Monastery of the Caves, is a historic Orthodox Christian monastery which gave its name to one of the city districts where it is located in Kiev. Thanks! Rome2rio also offers online bookings for selected operators, making reservations easy and straightforward. Read more, Save this link to stay updated on COVID-19 restrictions. The responses show The next day, drive for about 1.5 hours, then stop in L'viv and stay for about 1 hour. By proceeding, you accept the use of cookies in accordance with our, Fly from Green Bay (GRB) to Warsaw Chopin (WAW), Take the train from Warszawa Wschodnia to Lublin, Take the night bus from Green Bay Amtrak Station to Milwaukee, Take the bus from Milwaukee, WI - Amtrak to O'Hare Term 1,2,3, Fly from Chicago O'Hare (ORD) to Warsaw Chopin (WAW), Fly from Green Bay (GRB) to Rzeszow (RZE), Take the train from Rzeszow Glowny to Przemysl Glowny, Fly from Appleton (ATW) to Warsaw Chopin (WAW), Fly from Green Bay (GRB) to Chisinau (KIV), Take the bus from Chiinu Autogara Nord to Odessa Privoz, Fly from Chicago O'Hare (ORD) to Rzeszow (RZE). to solve your homework problems. Just stay away from conflict areas. ', 'Do the trains and buses have Wifi?' Tickets cost 1 000 - 2 500 and the journey takes 17h 22m. If you happen to know Odessa (Ukraine), don't forget to help other Did you give up your trip because of the war? Save my name, email, and website in this browser for the next time I comment. Ruins of the bridge inCzerna, built in the seventeenth century. Ryanair is offering return Stansted to Krakow flights from as low as 10 next month (ryanair.com). Expect a stop at the Ukrainian border for passport control and customs. advertising Ltd. Start by reading the Trippy page on where to stay in Krakow. Situated on the Vistula River in the Lesser Poland region, the city dates back to the 7th century. so go ahead and check the reverse directions to get the Address Pacztowice 328, 32-063 Krzeszowice, Poland. ', 'Should I book online before I travel? And for some tour companies with long experience in the region and local partners in Ukraine, its been a case of helping to bring direct support to refugees in Poland and other neighbouring countries as they start to rebuild their lives. There is no travel advisory against travelling to Poland or its The distance between Ukraine and Krakw is 510 miles. Its a great proposition for fans ofspooky storiesand also nature lovers. One of the largest cities in Poland, it is known primarily for its grand historic architecture and cultural leadership; UNESCO designated its old town area a World Heritage site in 1978. A dreamy Italian road trip from chic Milan to the sundrenched south, with 007 filming locations and hotels that transport you to a bygone era along the way, How well do you know the world map? Flights are operating as usual, but keep an eye on your airlines website for updates as well as on the latest travel information for each country at gov.uk. Krakow, for example, is very close to Ukraines border. and Vokzalna. We can create a custom cross-platform; web-based one build for every device solution. It uses all this data to compute the total travel mileage. All Right Reserved 2014 Total IT Software Solutions Pvt. However, aviation could be less affected than it was during the Cold War for a number of reasons: some destinations in east Asia, including China and North Korea, are still largely closed to visitors because of Covid restrictions; planes can fly longer distances now and unless Russia returns to a Soviet-style ban on overflights by any foreign carrier various Asian airlines will still be able to offer the most direct routes. What should I do if I have COVID-19 symptoms when I arrive in Ukraine? Castles near Krakow. See painted cottages, painted houses, painted church, painted everything! Inflation has made headlines across most sectors this year, not just at the petrol pumps. But even on routes that go nowhere near the region, fuel costs are rising because of the huge increase in the price of oil driven by the conflict. Kiev or Kyiv (Ukrainian: Kyiv; Russian: Kiyev) is the capital and most populous city of Ukraine. There are so many of them in vaccine based on actual road trip directions, or the straight line flight The distance between Krakow and Ukraine is 5008 miles. However, you can take the taxi to Green Bay airport, fly to Warsaw Chopin, take the walk to Warszawa Lotnisko Chopina peron 1, take the train to Warszawa Wschodnia, take the train to Lublin, take the walk to Lublin, take the bus to Lviv, take the walk to , then take the tram to Lviv. to account for all the extra travel time getting to the airport, You can learn more about the purpose of cookies and how to change your browser settings. The incident is still under investigation but has raised fears of Nato forces being drawn into the war in Ukraine. But like others have already stated, if you plan on Make yourself known to an official member of staff and/or call the national coronavirus helpline number on 0800602019. British Airways was the only British carrier with direct flights and it is offering refunds. I lived in Krakow for a year and fell hopelessly for its charms, its wonder and its enchanting streets. Krakow looks like a city straight out of a Disney movie. Cobbled streets lined with horse-pulled carriages, beautiful squares surrounded by pretty buildings and churches, and a huge castle that gives Cinderellas castle a run for its money. The Abbeyis situated on a rocky promontory overlooking theVistula River. Krakow is a city located in Poland, not in Ukraine. Here's the quick answer if you have friends taking shifts as driver so that you can make the entire trip by car without stopping. Nonstop drive: 705 Itsa very important place in Lesser Poland. The journey, including transfers, takes approximately 13h 39m. Your trip begins in Krakow, Poland. If you are wondering about things to do around Krakow, you should definitely take a look atZators attractions! But the city is Where do I get to when I dig a hole in Krakow through the centre of the earth? Next, drive for another 3 hours then stop in Zalipie and stay for 1 hour. It is in north-central Ukraine along the Dnieper River. Deals and discounts in Tech & Electronics you dont want to miss. Wearing a face mask on public transport in Ukraine is subject to regional advice. Founded in 1971, it is based in Washington, D.C. and offers four classes of travel: First Class, Sleeper, Business and Coach. recommended restaurants, hotels, and things to do along In 2011 the historic site was reassigned from the jurisdiction of the Ministry of Regional Development of Ukraine to the Ministry of Culture of Ukraine. Find the best deals on Kitchen from your favorite brands. Admire the most creativeflower patterns, listen to interesting stories and see the way people lived a few decades ago. Coaches have toilets, free WiFi and power outlets, plus snacks and drinks for purchase on board. ', 'How much should I expect to pay? the airports, an estimated wait time of 2 hours at the airport for TSA Are refunds being offered if you had a direct flight booked to Russia? Shop the best selection of deals on Beauty now. There is no direct connection from Krakow to Ukraine. Travel 318 miles (513 km) by bus between Krakw and Khmelnytskyi. Drive for 3.5 hours then stop in Ternopil. Krakow is slowly losing its ability to accommodate further waves, Majchrowski said. Alternatively, FlixBus operates a bus from Krakw, Dworzec Autobusowy MDA to Kyiv 3 times a day. Flights to India and Pakistan will also be delayed owing to avoiding Ukrainian/ Russian airspace, with around an hour expected to be added to journeys. Cited as one of Europe's most beautiful cities, its Old Town was declared the first UNESCO World Heritage Site in the world. A. Is there any way round longer flights to the Far East and South-East Asia? What is your favorite restaurant in Krakow. (source: veturo.pl), The interior of the church look how rich and beautiful it looks! Your plane flies much faster than a car, so the flight time is about 1/8th of the time it would take to drive. Turkey is also a Nato member. Rafa Marek from the Krakow Chamber of Tourism said that a survey was carried out on how the war in Ukraine affected the tourism industry in the city. Be aware that there may be refugees arriving from Ukraine. Rome2rio also offers online bookings for selected operators, making reservations easy and straightforward. This article will help a lot! As Ernest Mirosaw, the owner of the incoming tourism office to Krakow, says in an interview with Gazeta Wyborcza, in his office, 100 percent of arrivals. Are they still running? The national COVID-19 helpline number in Ukraine is 0800602019. The total driving distance from Krakow, Poland to Kiev, Ukraine is 538 miles or 866 kilometers. Let it charm you with its gardens, courtyard an one of a kind atmosphere! Although this has since fallen, prices remain high. Airlines typically hedge against rises in jet fuel prices to protect that portion of the ticket cost from volatility, but if oil prices remain high, they will inevitably have to pass on that cost to passengers. Indulge in thecolorful fairytaleandtake a lot of pictures! Although, in his opinion, hoteliers are in a relatively best position because refugees stay with them, hotel owners talk about the crisis. WebKrakow is the city living a full cultural life. No, there is no direct train from Ukraine to Krakw. - Wikipedia. politics A. Its population in July 2015 was 2,887,974 (though higher estimated numbers have been cited in the press), making Kiev the sixth-most populous city in Europe. We dig deep to see how tricky it is to pay Australia, India and a few other countries a visit, We explain how and when to claim compensation, How to get your money back if your flight is delayed. While Krakow is not Ukraine and has The total driving distance from Krakow, Poland to Kiev, Ukraine is 538 miles or 866 kilometers. A. I moved to Krakow to study English and German at Jagiellonian University, because I love everything that's connected with these languages. Kiev or Kyiv (Ukrainian: Kyiv; Russian: Kiyev) is the capital and most populous city of Ukraine. A. This large region sits in the bottom right corner of the country, near the borders of Ukraine and Slovakia. station. However, there are services departing from Krakow Glowny and arriving at Khreshchatyk via Przemysl Gl. If you want some more information, check out ourpost about OjcowNational Park. straight line distance to determine whether it's better to The city has some of the best museums in the country and several famous theaters. Aside from its main building, the cathedral includes an ensemble of supporting structures such as a bell tower and the House of Metropolitan. Obviously, none will be sailing to the Ukrainian port of Odessa, and Russian stops are also being dropped from itineraries across the board with alternative destinations swapped in although itinerary changes are fairly standard in cruising. What will happen if you have a cruise booked that includes a call at St Petersburg? Since 24 February, 150,000 people escaping from the war have arrived in Krakw. One of the city's main squares, it is located on Khreshchatyk Street in the Shevchenko Raion. Covid-related restrictions may be in place. Here, the Daily Mail travel team answers readers questions about what this means for those travelling in Europe. Krakow, for example, is very close to Ukraines border. The doorbell is just fine for this clever puss who scales the fence and sets off the motion sensor so his owner can open the door for him, Marble bathtubs, grand pianos, furniture designed by Karl Lagerfeld - and prices of up to 40k a NIGHT: Inside the best rooms in ultra-luxury 'palace-rated' hotels in France. Prices start at $100USD per night. The interlocutor of Wyborcza emphasizes that a very hard time ahead of the tourism industry in Krakow and many companies may not survive without the governments help. And while there have been Russian military strikes within 20km of Poland, these have not crossed the borders. E.g. But this is just a small sample of what the city has to offer. Trains have standard 1st and 2nd class reserved seating, and many overnight trains also offer sleepers and couchettes. Because of the curvature of the Earth, the Those taking trips to countries neighbouring Ukraine should keep an eye on their airlines website for updates. Your flight direction from Krakow, Poland to Kiev, Ukraine is East (83 degrees from North). What should I do if I have COVID-19 symptoms when I arrive in Krakw? newspaper CEO The rail network in Poland is conveniently organised, with many connections between cities, making it an effective method of travelling around the country. Rome2rio makes travelling from Krakw to Ukraine easy. Transport is disrupted due to the Russia-Ukraine war. Hi Lesly, we are glad that you've found our article useful. Health By using this website, you agree to our use of cookies in accordance with your browser settings. The social distance requirement in Ukraine is 1 metre. Please note, this is not available on all services. A. distance. The coronavirus pandemic has forced him to lay off his employeeswho work in corporations and construction sites today. UNHCR figures on Monday had 281,000 people arriving in Poland, more than 84,500 in Hungary, about 36,400 in Moldova, over 32,500 in Romania and about 30,000 in Slovakia. - with eDreams ranked bottom (will the results change who YOU book with? Bimah of the Old Synagogue in Tarnow the only part left after the war Some previous crises have shown that people will cancel travel plans even for destinations far from the affected region: the 1990-91 Gulf War led to a major fall in visitor numbers not just in the Middle East but in Europe too, while an epidemic of the Ebola virus mainly in three West African countries in 2014-16 saw a drop in tourism to east African destinations such as Kenya, despite parts of Europe being closer to the outbreak. Q. to travel to your destination. It takes approximately 10h 12m to drive from Krakw to Ukraine. The cathedral is one of the city's best known landmarks and the first heritage site in Ukraine to be inscribed on the World Heritage List along with the Kiev Cave Monastery complex. Krakw was the official capital of Poland until 1596 and has traditionally been one of the leading centres of Polish academic, economic, cultural and artistic life. Lots of more police and military on site. (source: Polskie szlaki). The fastest way to get from Ukraine to Krakw is to drive. No, but conditions apply when returning to United States from Ukraine. Of course not! By proceeding, you accept the use of cookies in accordance with our, Take the train from Krakow Glowny to Przemysl Glowny. Legend has it that once a year alldevils, evil ghosts and witchesmeet here to have a debate. Amtrak is a rail service that connects the US and three Canadian provinces. of your actual flight time. WebKrakw The former capital city of Poland and the seat of Polish Kings is more majestic today than it ever was. Royal Caribbean alone has some 500 Ukrainian crew on its ships and says it is supporting them in getting home if they want to, or helping crew on leave in Ukraine to return to their ships earlier. This is equivalent to 755 kilometers or 408 nautical miles. To give you a better estimate of real-life travel, we've On November 15, a missile struck eastern Poland and killed two people. Find all the transport options for your trip from Ukraine to Krakw right here. drive or fly. Yes, the driving distance between Ukraine to Krakw is 540 miles. The first Sesame Street theme park on America's West Coast We have been planning a trip to Moscow and had been aiming to go in June What about flights to Russia? Transport is disrupted due to the Russia-Ukraine war. ARenaissance castlelocated on a limestone cliff inthe valley of river Prdnik. The church was constructed in 17471754, to a design by the Italian architect Bartolomeo Rastrelli. This is the point on the Earth's surface when you draw a straight line from Krakow through the centre of the earth. From the American perspective, Austrian, Czech and Hungarian cities are also relatively close to the ongoing war. recommended airports, airline, and route, check out Built at the behest of King Casimir III the Great, it consists of a number of structures situated around the Italian-styled main courtyard. Avoiding those countries borders with Ukraine is wise though, not least because of efforts to take in hundreds of thousands of refugees escaping the conflict. Krakw to Ukraine train services, operated by Ukrainian Railways, arrive at Kyiv-Pas. Commercial flight time: 1 hour, 37 minutes. The Mail travel team helps one reader with a query about getting a refund for a direct flight to Russia. There are 9 ways to get from Ukraine to Krakw by bus, train, plane or car Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2rio's Drive for about 3 hours, then stop in Uman' and stay for about 1 hour. However, you can take the taxi to Green Bay airport, fly to Chisinau, take the walk to Chisinau Airport, take the line 195 bus to Iu. A. You can take a train from Krakw to Kyiv via Przemysl Glowny, Przemysl Gl., Kyiv-Pas., and Vokzalna in around 13h 39m. Covid travel restrictions explained. Krakw, traditionally known in English as Cracow, is the second largest and one of the oldest cities in Poland. Find all the transport options for your trip from Krakow to Ukraine right here. What is the national COVID-19 helpline number in Krakw? It was not even decided to postpone them. If it's a real road trip, you might want to check out interesting stops along the way, eat at great restaurants, and maybe even find a hotel to stay overnight. The Saint Andrew's Church (Ukrainian: , Andriyivs'ka tserkva; Russian: , Andreyevskaya tserkov) is a major Baroque church located in Kiev, the capital of Ukraine. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket? Krakowis an extraordinary city to visit. La dolce vita! Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2rio's travel planner. See all 2022 We need a person near Krakow who could check the technical condition of several cars that we found through OLX. KRAKOW, Poland, March 20 (Reuters) - It's 11:30 a.m. at Krakow Main Station and Ruslana Shtuka is desperate for some fresh air. Is it safe to take trips to countries neighbouring Ukraine, such as Hungary, Slovakia and Romania? So now we can finally get an idea of the total travel time from Krakw is famous for its beautiful Old Town and historic buildings. Turkey has very recently shifted from fairly good relations with Russia to criticism of the invasion of Ukraine, and has invoked its right to close the straits that lead to the Black Sea to foreign warships.