多项选择题
The Four Great Ancient Chinese Grottoes includes
A、Mogao Grottoes in Dunhuang Guansu Province (甘肃敦煌莫高窟)
B、Maijishan Grottoes in Tianshui Gansu Province(甘肃天水麦积山石窟)
C、Yungang Grottoes in Datong Shanxi Province(山西大同云冈石窟)
D、Longmen Grottoes in Luoyang Henan Province(河南洛阳龙门石窟)