abstract appearance backgrounds bark bumps close-up colors colours cracks edge edges layers patterns ridges rough shades of colour smooth strips surface surfaces texture textured textures tree tree-trunk trunk uneven variations varieties wallpaper wood brown tree trunk arched arches architectural architecture art-glass artistic artistry building color coloration colored colour coloured contrast craftsmanship dark decorative design designed Designs frame framed glass lead light lighting lines patterned perspectives reflections rippled shade shades-of-colour shaped shapes stone-wall wall window church stained-glass angles black colorful colourful distinctive frames geometrical windows