abstract angles appearance architectural colored colors coloured colours covered covering dark edges edging elements exterior external height high light lines patterned patterns perspectives protection protective roof roof-area roof-tiles roofing rooftop rough rows shade shadows shapes smooth sunlight sunshine surface surfaced surfaces terracotta textured textures tiled tiles tiling variations wavy architecture building built damaged demonstration design display exhibit exterior model features historic made miniature model modelling partial physical presentation repair repaired representation scale model small scale structure tangible bouquet flowers garden Helianthus summer sunflower terracotra pot yellow