abstract appearance background blended bright color coloration colored colorful colors colour coloured colourful colours decoration decorative depth design details geometrical interconnected interlinked light lighting linear lined lines multicolored multicoloured patterned patterns perspectives shape shaped square squared squares style surface surfaces texture textured textures thick thin vibrant wallpaper weave woven barrier bolders boulders constructed cover covered fitted fitting large limestone local-stone mortar mound random randomly-coursed retaining-rocks rocks rocky rough rugged secure security shade shadows shapes sharp solid stone stone-walled stones stonework strength strong sunlight sunshine surfaced uneven variations variety abundance backgrounds beach bivalve damp edge edges forthy froth mollusc mollusk plentiful sand scallop seashells seashore shells shore Sizes smooth types wet wet-sand geometric interlaced intertwined interwoven intricate mat rows bark bumps close-up contrast cracked cracks curled curling curls dark dry gnarled gray grey grooves layers mottled peeling ridges strips tree tree-trunk trunk wood wrinkled wrinkles wrinkly architectural Designs distinct distinctive edged exterior external fancy mosaic rectangular slabs tiled tiles variation varied various wall art-glass blocks craftsmanship glass liquidy raised rectangles stained-glass surfacing tactile walled window appearances autumn breakthrough brown cluster danger Dirt dirty fragile fungi fungus grass grit gritty ground groundcover hardy nature plant plants poison poisonous Soil toadstools