Nan'anzui is near Qingchuan Pavilion in Hanyang, Wuhan City. Nan'anzui is a very important place in China's geography. It is the impact zone formed by the confluence of the Yangtze River, the largest river in China, and the Han River, a large tributary of the Yangtze River. Some people say that Nan'anzui is where the dantian of China is located, which means that it is a place where the essence of China is concentrated.