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Many travelers on the Trans-Siberian railway make plans to stop at Lake Baikal, the deepest and oldest lake on Earth. Lake Baikal holds around 20 percent of the world’s fresh water. Located in Siberia, the 25-million-year-old lake is surrounded by mountain ranges. The lake is considered one of the clearest lakes in the world. Known as the Pearl of Siberia, Lake Baikal is home to several resorts, making the area a popular vacation destination.
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