This lake is called the Pearl of Siberia
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Lake Baikal
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Lake Vladimir
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Lake Douria
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Lake Taskim
A
Correct answer
Explanation
Lake Baikal in southern Siberia is known as the 'Pearl of Siberia' due to its crystal-clear waters and stunning natural beauty. It's also the world's deepest and oldest lake. The other options are fictional or not associated with this nickname.