Manipur, July 10 -- Over the centuries people have learnt to live with rivers. The catastrophic floods of river killed people from the remotest ages. There were incidents of manmade flood from the Huayuankou event in 1938 when China used flood to protect from the invasion of Japanese that killed a million of Chinese citizen and Japanese soldiers from catastrophic floods. Thereby Huang-he was China's sorrow. In 1955, China successfully controlled the Huang-he by building overflow channels and increasingly taller dikes from its ambitious 50-year construction plan and flood-control program. This included extensive dike construction, repair and reinforcement, reforestation and the construction of a series of dams to control the river's flow, ...