ancient Angkor angles appearance archaeological archaeology buddhism Buddhist cambodia craftsmanship cultural culture damp decorative design entrance entry features greyscale height heritage high Hindu Hinduism historical history jungle lichen mixture monotone monument mosses old ornamental perspectives sculpted sculpture shaped stones stonework style surfaces temple-complex temples textured textures weathered Asia lake animal ater avian background beak beautiful bird birdwatching black branch coal color colorful ecology european feather feathered focused forest grey habitat limb little moss natural nature parus periparus red season singing sitting small soft songbird stick tiny tit tree trunk twig wild wilderness wildlife wing winged wood zoology broken pillars shade shadows sunlight support supportive Angkor-Wat building buildings structures