Angkor Thom: The Great City of Cambodia 12th Century Wonder 

Angkor Thom or Nokor Thom (‘The Great City’ in the Khmer language) is located in the northern province of Siem Reap in Cambodia. It was the last and most persisting capital of the Khmer Empire.

https://weird-history-facts.com/angkor-thom-the-great-city-of-cambodia/