Buddhist architectures include temples, pagodas and grottoes, whichadhere strictly to a symmetric style, with the main buildings of the temple gate,such as the Heavenly King Hall, the main hall and the Sutra library set on acentral axis, facing the south, and such other annex ⑦ structures of dormitories,kitchens, dining halls, storehouses and antechambers ⑧ on the west andeast flanks ⑨ . Pagodas made of timber, brick, stone, or bronze and iron areimportant Buddhist architecture symbols. Mogao Caves, Yungang Grottoesand Longmen Grottoes are famous Buddhist constructions.