Introduction to Danjiangkou: Danjiangkou City, in the northwest of Hubei Province and the middle and upper reaches of the Han River, is known as the “China Water Capital” and is known as China's outstanding tourist city and national tourist business card. As of the end of 2010, Danjiangkou City consisted of 4 sub-district offices, 12 towns, 1 tourism special economic zone, 3,121 square kilometers and 443,755 people. Danjiangkou City is the birthplace of Wudang culture. Wudang Mountain in China is a famous Taoist holy land in China, a national AAAAA scenic spot and a world cultural heritage. The Danjiangkou Reservoir in Danjiangkou City is the water source of the Middle Route Project of the South-to-North Water Transfer Project and is known as the “Asian Tianchi”. Danjiangkou is the second largest citrus producing area in Hubei Province and a major aquatic product.