Introduction to old street nostalgia: Longmen Old Street is nearly three miles long and about three meters wide. It has always been prosperous, especially from the Jiajing period of the Ming Dynasty to the prosperous period of Kangxi and Qianlong in the Qing Dynasty. The old street has become a place where merchants gather and there are many shops. Attractions include: Old Hall, Cheng'en Hall, Guandi Temple, and stone escalators.