Huai’an Water Runoff Project Diverts 480 Billion Cubic Metres of Water 

After its completion 20 years ago, 30 new ground culverts are now to be added to the Huai’an Water Runoff Project; flow will increase to 7,000 cubic metres per second. Full story (in Chinese) via this link; read the essentials about Huai’an via this link.