Another massive crater appeared violently and explosively in the Siberian tundra in 2020, leaving a gaping circular scar in the empty and eerie landscape. It was the 17th hole to appear in the Russian Arctic since the first was spotted in 2013.
원문출처 : https://www.cnn.com/videos/world/2021/03/08/siberia-craters-permafrost-gray-intl-ldn-vpx.cnn
원문출처 : https://www.cnn.com/videos/world/2021/03/08/siberia-craters-permafrost-gray-intl-ldn-vpx.cnn