四大石窟

1. • the four great caves, namely: Longmen Grottoes 龙门石窟 lóngménshíkū at Luoyang, Henan, Yungang Caves 云冈石窟 yúngāngshíkū at Datong, Shanxi, Mogao Caves 莫高窟 mògāokū at Dunhuang, Gansu, and Mt Maiji Caves 麦积山石窟 màijīshānshíkū at Tianshui, Gansu

Character by character

• 四(sì)four
• 大(dà)big
• 石(shí)rock
• 窟(kū)cave