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| | Haihe River |
 | | The Haihe River, the largest water system in northern china, is formed by five large rivers -- the North Canal, the Yongding, the Daqing, the Ziya rivers and the South Canal, all of which converge near Tianjin to form the Haihe River, and then flow east and empty into the Bohai Sea at Dagukou. |
 | | When heavy rains occur, the torrents of the numerous tributaries in the upper reaches rush into low-lying middle and lower reaches, where the river is narrow and there is only one outlet to the sea, causing it to burst onto the plain in floods. |
 | | More than 1900 reservoirs and 4,300 kilometers of dykes have been built, the river channels have been dredged, and 8 additional outlets (including Zhangwei New River, Ziya New River, Yongding New River and Chaobai New River) to the sea have been opened, raising the flood-diversion capacity to 25,000 cubic meters per second. |
| www.chinaculture.org /gb/en_aboutchina/2003-09/24/content_21744.htm (256 words) |
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