abstract appearance arched architectural art-glass artistic artistry black color coloration colored colorful colors colour coloured colourful colours communicate communication contrast craftsmanship dark decorative design designed Designs diamond-shaped diamond-shapes diamonds frame framed glass lead light lighting lines message patterned patterns perspectives rippled shade shades-of-colour shaped shapes stained-glass textured textures window abandoned architecture background building construction conveyor-shutes corrugated-iron damaged decay derelict deteriorated deterioration exterior external factory frames historic historical history industrial metal multi-storey multi-story neglect neglected old open openings Remains shadows shutes structure sunlight sunshine texture tin-shed urban wall walls window-frames art glass cave christian christianity faith Hong Kong looking-out prayer squared squares stained glass symbolic symbols art blue clear curves door door-lock doorhandle doorway entrance exit frills gray green grey lock outside quality red skilful skilled surface variation variations wooden frame distinctive geometric geometrical rectangle rectangles rectangular reflected reflection reflections detailed details interconnected interlinked lined metal-framework parallel patterned-glass Segmented segments shape style thick thin view wallpaper