Cambodian temples are not only about Angkor Wat, but some other famous temples are seldom forgotten. One of them is Banteay Chhmar, built in the late 12th-century, or roughly 900 years old now.
Cambodian Map

You can learn more about this temple at: https://en.wikipedia.org/wiki/Banteay_Chhmar.
In addition, DW Documentary, a German public TV station has produced an excellent video about it. Click on the following link:https://www.youtube.com/watch?v=mkeCUFpIDFc&t=1236s.
(CMT)