Introduction to Yingjiang Pavilion: There is a pavilion on the mountainside of Bilian Peak, called "Yingjiang Pavilion". The pavilion was built in the late Ming and early Qing dynasties. The architectural style is octagonal, commonly known as the octagonal pavilion. There are eight pavilions on the platform. A beautiful and charming picture will appear in each window. It is a good place for sightseeing, painting and taking photos, so it is also called a picture window.