Changsha

Changsha is the capital city of Hunan, in south-central China, located on the lower reaches of Xiang River, a branch of the Yangtze River. Its municipality covers an area of 11,819 square kilometres and, according to the 2010 Census, a population of 7,044,118 inhabitants. Changsha was important from the time of the Qin dynasty (221–207 BC). In AD 750–1100 Changsha was an important commercial city, and its population increased greatly.

ETH Zurich

Léon: The Professional