ナショナルジオグラフィックさんのインスタグラム写真 - (ナショナルジオグラフィックInstagram)「Photo by Robbie Shone @shonephoto / Members of the Perovo-Speleo caving team from Moscow. Natasha Sizikova leads Roman Zverev along a passageway hosting a small stream descending over steps in the rock. The sculptured rock formations in this part of the Veryovkina cave are beautiful and really unusual. A week later, during the flood pulse that suddenly plummeted into these chambers, all of this gallery completely filled up with water and was totally submerged.」2月21日 4時37分