The closure of Russian airspace to some international carriers, including many in Europe, has forced airlines to seek alternate routes. For some flights, such as those linking Europe and Southeast Asia, that's especially problematic since Russia, the world's largest country, stands directly in between.
원문출처 : https://www.cnn.com/travel/article/north-pole-air-route/index.html
원문출처 : https://www.cnn.com/travel/article/north-pole-air-route/index.html