[Fertility column] Shi, and four major rivers of the canal

Four Rivers has been completed on the 16 sujungbo. South Korea's water management (治水) is reminiscent of an old story. 2000, well before the end of the Warring States period in China's western mountain Jean (秦) around the country are strong and that a few countries were competing. In particular, one east of Qin (韩) somehow the camp's afraid of its power.[Fertility column] Shi, and four major rivers of the canal