楚国
(?
298 BC～
263 BC)
Annual two-way attack Chu Qin divide our forces, all the way from his troops from the Wu Anjun White City after the fall of Tang Chu, the YAN (now Hubei Yicheng Southeast) advancing; another route Qin Shou Zhang Shujun rate of land and water if the army east, to the Chu Wu County and south to enter. Bai Yan from the siege, the Battle of Yan, Chu Guojun hundreds of thousands of people were drowned, was introduced from the Western Hills, Long Valley, white water, the northeast corner of the city collapse, "the people with the water, hundreds of thousands who died east of the city, east of the city are smell as stinky by name the reservoir pool. "(" The Truth of Mianyang water ")