dangrek mountains cambodia, gopura v the cambodian entrance gate to the 11th century preah vihear temple

11th ancient and angkor archaeology architecture art asia asian bas blocks border buddhism buddhist building cambodia cambodian carving century construction dangrek decoration entrance gate gopura heritage hindu historic khmer landmark monument mountains outdoors prasat preah preserved province relief religion religious remote ruin sandstone scaffolding sculpture site spirituality stone structure support temple thailand tropical unesco vihea vihear wat world