Scientists Descend Into Siberia's Mystery Crater
Pictures: Explorers Descend Into Siberia's Mystery
Crater, National Geographic, November 14, 2104
http://news.nationalgeographic.com/news/2014/11/pictures/141114-siberian-hole-cave-yamal-peninsula-science/
Descending into the depths of Siberia's mystery
crater: Experts explore 98ft-wide hole to learn
more about its origins. Mail Online, Nov. 12, 2104
http://www.dailymail.co.uk/sciencetech/article-2831238/Descending-depths-Siberia-s-mystery-crater-Experts-explore-98ft-wide-hole-learn-origins.html
Russian research team explores giant Siberian
sinkhole, The Guardian, November 12, 2014
http://www.theguardian.com/world/2014/nov/12/research-climb-giant-siberian-sinkhole
Yours,
Paul H.
