Angkor Wat architecture attraction Buddhist cambodia Hindu khmer landmark religious temple tourism ancient Angkor Angkor-Wat angles appearance cambodian camera colors colours contrast contrasting cultural culture distinctive man Monk observation observing orange person robe robes Saffron sights sightseeing spectator stone stonework surfaces temple-complex temples textured textures weathered approach archaeological archaeology building color colour craftsmanship design entrance grass green heritage historical history mixture moat monument old perspectives reflections shaped stones structure style paved pavement paving people walkway water photographer photographing photography sightseers snapshots spectators