The deepest lake in the world
One of the world’s natural wonders, Lake Baikal is an immense, crescent-shaped chasm in the earth, nearly 640km long and up to 80km wide. Situated in Russia's great Siberian wilderness, its record-breaking size is matched only by its remoteness; the lake is roughly 3,200km west of the Pacific Ocean, 5,100km east of Moscow and 200km north of the Mongolian border.
Plunging downwards for more than a kilometre, Baikal is the deepest lake in the world, holding about 23,000 cubic kilometres of water –