Etched on the surface of Earth are marks of our planet's remarkable history. One such notable imprint is Lake Baikal in Siberia. Persisting for as many as 30 million years, it is the oldest freshwater ...
A group of Russians completed an icy swim across Lake Baikal in Siberia on Wednesday in an effort to draw attention to ecological threats facing the world's largest freshwater lake. The four men and ...
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