angles appearance arched arches architectural-elements architecture building coloring colors colouring colours craftsmanship creative decorative decorative-battlements Designs distinctive exterior external glass heritage historic historical history light old ornamentation outside patterns perspectives pigeons segment shapes solid stones stonework strong style sunlight sunshine surface surfaces textures traditional variations wall wall-segment windows ancient Angkor archaeological archaeology broken buddhism Buddhist cambodia cultural culture damp design features height Hindu Hinduism lichen mixture monument mosses ornamental sculpted sculpture shade shadows shaped support supportive temple-complex temples textured wall-stones walls weathered