Swiss free-diver sets new record beneath frozen lake.
Czech free-diver David Vencl set a new world record by plunging vertically to a depth of 52.1 meters (170.9 feet) beneath Switzerland's Lake Sils without a wetsuit. Vencl retrieved a sticker from the depth of 50 meters to prove his feat before re-emerging through the same hole. The plunge took him 1 minute 54 seconds, and he admitted to being more nervous than usual due to the cold water, lack of oxygen, and pressure issues.