a buddisht temple inside angkor wat compound

12th ancient angkor angkorwat archeology architecture asia attraction brahma buddha buddhism building cambodia carving century civilization cultural culture eastasia empire heritage hinduisim history huge indian indochina khmer king landmark largest moat monument national rama ramayana reap relics religion ruin shiva siem site sky southeast spirituality stone structure suryavarman temple tourism tropical unesco vast vishnu wat water yasdharapura