Vladimir Fedorov made a record dive

Vladimir Fedorov set a new record in dynamic apnea in extreme conditions, breaking the distance of 100 metres. He made his way from one underground lake to another when the water temperature was +5°C and the air temperature was −20°C.

Source: http://www.ruf.ru/rekordnoe-pogruzhenie-na-zaderzhke-dyixaniya-v-ordinskoj-peshhere.html

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