ancient Angkor angles appearance archaeological archaeology buddhism cambodia craftsmanship cultural culture damp decorative design encroaching encroachment features giant-spung-tree height heritage high Hinduism historical history intertwined jungle lichen monument mosses old ornamental perspectives Roots sculpted sculpture shaped spung-tree stones stonework surfaces Ta-Prohm temple temple-complex tetrameles-nudiflora textures thitpok tree trees weathered arched architectural art-glass artistic beliefs building christian church-building colorless colourless contrasts dark Designs diamond-shaped exterior external faith framed glass image imagery light lighting outside patterned patterns religious Sacred shade shadows shapes solid solid-walls stained-glass stone sunlight sunshine symbolic symbols textured traditional wall window window-frames crushed gravel hole loophole mediaeval medieval mortar opening rock rocks small