What are the manifestations of colored sculptures in Mogao Grottoes?

Judging from the forms of colored sculptures, there are round sculptures, relief sculptures and shadow sculptures in the Mogao Grottoes.

Circular sculpture is a sculpture that completely leaves the wall, including the main image and threatening statues on both sides. The main images are Sakyamuni and Maitreya. There were two bodhisattvas in the early stage and two disciples in the later stage.

Relief is a sculpture that highlights the wall. Shadow sculpture is a molded sculpture pasted on the wall, which generally includes the worship of Bodhisattva, Flying Star, Heavenly King, King Kong, Lux, etc. and pasted on the central tower and four walls.

Shadow play sculpture is a statue made of molds made of mud, fine sand and wheat straw, which is turned over with clay molds and painted after surface treatment. Usually the back is attached to the wall, and the front is embossed with a convex wall, which is mainly used to set off the round plastic main image.