The photo shows the Caihong Bridge, located in Dengzhou city of China's Henan province, along the central route of the South-to-North Water Diversion Project. This route transfers water from the Danjiangkou Reservoir located in the upper and middle reaches of the Hanjiang River, the largest tributary of the Yangtze River, to the Tuancheng Lake in Beijing's Summer Palace. [Photo/China.org.cn]