Baikal
Lake Baikal was known as the "North Sea" in historical Chinese texts. It was situated in the then Xiongnu territory. Very little was known to Europeans about the lake until the Russian expansion into the area in the 17th century.
Lake Baikal was known as the "North Sea" in historical Chinese texts. It was situated in the then Xiongnu territory. Very little was known to Europeans about the lake until the Russian expansion into the area in the 17th century.