1 of 2
Olympictorch2014.com, Associated Press
In this photo provided by Olympictorch2014.com, an unidentified torch bearer with an Olympic torch is greeted by Buddhist monks at a Buddhist monastery, during the torch relay near the Siberian city of Chita, about 4800 km ( 3,000 miles) east of Moscow, Russia, Thursday, Nov. 21, 2013. The relay for the Sochi Winter Games, which began on Oct. 7 2013 in Moscow, will pass through many cities that showcase the historical, cultural and ethnic richness of Russia.

MOSCOW — The Olympic torch has plunged into the world's deepest lake in Russia ahead of the Sochi Winter Games.

Video from the Sochi Olympic Organizing Committee showed lifeguard Nikolai Rybachenko in scuba gear at Lake Baikal on Saturday. He lit what the committee says is a water-resistant flare atop the torch and submerged himself in the lake.

The 39,000-mile Sochi torch relay, which started on Oct. 7, is the longest in Olympic history. The torch has flown in space and traveled to the North Pole on a Russian nuclear-powered icebreaker.

The torch will be used to light the Olympic flame in Sochi on Feb. 7, marking the start of the 2014 Games.