Introduction to exquisite brick carvings: Shen Wansan’s former residence has 5 courtyards, and there are 16 exquisite brick carvings on the walls. "Meeting friends and banquets, establishing a scholarly family, opening shops, acquiring a treasure basin by chance, donating money from the Lu family, donating money to build a city, building bridges to build virtues, doing business overseas, and the Ancient Tea Horse Road" vividly reproduce the legendary history of Shen Wansan.