ancient Angkor angles appearance archaeological archaeology broken buddhism Buddhist cambodia craftsmanship cultural culture damp decorative design features height heritage Hindu Hinduism historical history lichen mixture monument mosses old ornamental perspectives sculpted sculpture shade shadows shaped stones stonework style sunlight support supportive surfaces temple-complex temples textured textures wall-stones walls weathered Asia entrance high jungle lake monotone ancient-appearance Angkor-Wat artwork bas-relief cambodian depictions Designs icon iconic low-relief mural stone stone-work temple-complexes dancers dancing figurines frieze grainy rough