Question

Which is nicknamed as the pearl of Siberia describe about it

Answer 1

Nicknamed the 'Pearl of Siberia'

Lake Baikal is the world's oldest and deepest lake. Containing 20% of all unfrozen fresh surface water on the planet, it is, by volume, the planet single largest reservoir of unfrozen and freshwater!!

Answer 2

Lake Baikal 
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Lake Baikal is nicknamed as the pearl of Siberia
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1)it is the largest freshwater lake by volume
2)it is being selected as an world heritage site by UNESCO
3)it contains many varieties of fishes , seals etc 
4)it is located in south-central Siberia , it is one of the province in russia
5)it is one of the most most beautiful lakes in the world , known for its beauty