Battlements of the south gate of Xian

This picture was taken in 2009, on the 60 years anniversary of the taking of power by the communists in 1949.
Xi'an was the capital of the Qin Dynasty (221-210 B.C.), the Han dynasty (202 B.C.-220 A.D.), then known as Chang'an, and the Tang dynasty (618-907). Under the last dynasty, it is one of the greatest cities in the world. Xi'an was the starting point of the Silk Road.