PREVIEW
... iod and the Warring States Period, the State of Yan swallowed up the State of Ji, and named the two Yishui as Beiyishui and Nanyishui.
During the Warring States Period, Yannan became the most prosperous area of the Yan Kingdom, and Yishui's reputation grew.
The Beiyishui flows from west to east, enters the Laishui, and then enters the big river, generally showing an east-west direction and tends to the northwest; the Nanyishui flows from north to south, enters the lower reaches o ...
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