Introduction to Chengfang Street: Chengfang Street is a typical commercial street in the Pakistani era. There is no glitz and glamor here. What is inherited is the simplicity and honesty of the Ba people. It carries the life, leisure and commercial functions of Yifeng City and reflects the economic status and life style of the Ba people. The weathered stone carvings, yellowed window lattice, and heavy old door panels record the vicissitudes of Shenlong Mountain. The yellow banyan tree that blocks out the sky and sun is a common big-leaved banyan tree in eastern Sichuan. What is extremely unusual is that it is rooted in huge rocks without gaps and is more than a thousand years old. It is one of the four unique places in the scenic spot. It has witnessed the historical changes of the horse stationery box and its culture.