The longest Olympic torch relay in history paid a visit, and took a plunge, into the world's deepest freshwater body at Russia's Lake Baikal.
The Sochi Winter Olympic Games organizers released video of the event and tweeted about the occasion.
The 39,000-mile relay has already taken the torch into space as well as the North Pole. Now it has made its way into Siberia to visit Lake Baikal, which happens to hold nearly 20% of the unfrozen fresh water on the Earth's surface and is estimated to be 25 million years old.
The video shows the three special torches, each with a special flare attached to burn...