In ancient China, large canals for river transport were established as far back as the Warring States ( 481 – 221 BC ), the longest one of that period being the Hong Gou ( Canal of the Wild Geese ), which according to the ancient historian Sima Qian connected the old states of Song, Zhang, Chen, Cai, Cao, and Wei.
In ancient China, large canals for river transport were established as far back as the Warring States ( 481-221 BCE ).
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