1. Hanjiang River
2.Danjiangkou Reservoir
Correct answer: Danjiangkou Reservoir
The Middle Route Project of South-to-North Water Transfer is to divert water from Danjiangkou Reservoir in the middle and upper reaches of Hanjiang River, the largest tributary of the Yangtze River, excavate the first main canal of the project in Jiuzhong Town, Xichuan County, Henan Province on the east bank of Danjiangkou Reservoir, cross Fangcheng Pass, the watershed of the Yangtze River Basin and Huaihe River Basin, excavate the river along the central and western edge of North China Plain, cross the Yellow River Tunnel in Xingyang, go north along the west side of Beijing-Guangzhou Railway, and flow to Tuancheng Lake in Beijing Summer Palace.