lóng mén shí kū
Longmen Grottoes at Luoyang 洛陽|洛阳[Luo4 yang2], Henan
龙
lóng
(fig.) emperor
门
mén
gate
石
shí
abbr. for Shijiazhuang 石家莊|石家庄[Shi2 jia1 zhuang1], the capital of Hebei
窟
kū
cave