Lake Baikal: The World’s Deepest and Oldest Freshwater Rift Basin
贝加尔湖：世界最深最古老的淡水裂谷湖
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Lake Baikal lies in a tectonic rift valley where the Eurasian Plate slowly pulls apart.
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At 1,642 meters deep, it holds 20% of Earth’s unfrozen freshwater and formed over 25 million years ago.
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