This 34-meter-long structure, 35 meters above the Yanzhi Canal, was dug out of a cliff early in the Ming Dynasty for the purpose of transporting southern grain to the national capital.
Nanjing is a famous historical and cultural city. Nanjing is dominated by low hilly areas. There are dozens of hills of different sizes in Nanjing, forming a land pattern like a coiling dragon and a crouching tiger.
