Champion Russian diver Alexey Molchanov has broken the world record for constant weight freediving with a monofin, by plunging 80 meters below the ice of Lake Baikal, the world’s largest freshwater lake, located in Siberia. … Read More >Russian champion freediver Molchanov collects his 20th world record after descending 80m below Siberia’s icy Lake Baikal (VIDEO)