They probably meant Vostok in the Antarctic Russians drilled a 3,720m deep hole in ice. https://www.cambridge.org/core/journals/annals-of-glaciology/article/de

They probably meant Vostok in the Antarctic Russians drilled a 3,720m deep hole in ice. https://www.cambridge.org/core/journals/annals-of-glaciology/article/deep-drilling-at-vostok-station-antarctica-history-and-recent-events/8DA18E684DD19E80E7D02F2FBD2DFA26 https://www.cambridge.org/core/journals/annals-of-glaciology...