dūn huáng shí kū
refers to Mogao caves 莫高石窟[Mo4 gao1 shi2 ku1]
Dunhuang caves in Gansu
敦
dūn
kindhearted
煌
huáng
brilliant
石
shí
abbr. for Shijiazhuang 石家莊|石家庄[Shi2 jia1 zhuang1], the capital of Hebei
窟
kū
cave
