REMOVE

1. caves

WHAT

1. sculpture (visual works) (4)
2. architecture (object genr … (2)

WHERE

1. China (nation) (4)
2. Luoyang, China (3)
3. Datong, China (1)

WHO

1. unknown Northern Wei (Chi … (4)

WHEN

1. Northern Wei (4)
2. 6th century (3)
3. 5th century (2)
4. 7th century (2)
5. 8th century (2)