abstract angled angles appearance background bricks color colorful colour colourful concrete Designs detailed detailing distinctive footpath grooves ground level light path pattern patterned patterns pavement pavers paving paving-bricks rough shaped shapes smooth stones stonework surface surfaces textured textures appearances box-like buildings contemporary contrast contrasting cool courtyard dark decorated elements exterior external flowers gardens greenery high levels linear lines modern plants shade shadows shelter sheltered Sizes structures style styles tree variety views walls