Three squares and seven lanes began in Jin, perfected in the fifth generation of Tang Dynasty, to the Ming and Qing Dingsheng, Yijinfang, Wenrufang, Guangweifang three lanes, Yangqiao Lane, Langguan Lane, Taxiang, Huangxiang, Anmin Lane, Gongxiang, Jipi Lane seven lanes, known as "Mingqing Architecture Museum"