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 abstract artwork background blended bright colors coloured connected connections contours contrasting details edged edges interconnected interlinked interwoven light lines marbling multicolored multicoloured oil-paint paint paper patterns procedure process randomn shapes surface surfaced swirling swirls technique thick thin traditional vibrant visual-arts vivid wallpaper