Chongqing is a city of immigrants, there was a large-scale immigration in the seventeenth century, and the immigrants were mainly from Hubei, Hunan, Shanxi, Guangdong, Fujian, Jiagxi, Guangxi, Gansu, Jiangsu, Guizhou and Yunnan. This is known as “Migration from Hu Guang to Sichuan”. And the immigrants were the ancestors of most Chongqing native today, Located at the riverside by East Water Gate, Yuzhong Distrct, Huguang Assemble Hall is a building complex consisting of ancient building and some archaizing building such as Guangdong Hall and YuWang Palace, etc. It is known as the largest ancient building complex in downtown area in China. Now it has been developed for tour business. Traditional customs activities are held here