Introduction to residential buildings: The residents of Anfeng Ancient Street live in courtyards, which are arranged in four directions, which is a concept of wealth-gathering brought by Shanxi merchants from the Central Plains; the walls with horse heads are a security factor implanted by Huizhou merchants from Anhui and Zhejiang. The green bricks and small tiles are connected with tenons and grey, inheriting the rationality of the Qin and Han Dynasty styles; the jagged outlines and freehand shapes vaguely convey the romance of the Sui and Tang Dynasties.