bar bars building closeup concrete construction grid hard iron matrix perspective reinforce reinforcement reinforcements rust sharp squares steelwire tough build close macro bend bent bracket curved decorative lamp lamp bracket lampion light ornament ornamentation sconce streetlamp wall light wrought wrought iron carpenter concrete material concrete pattern concrete surface concrete texture metal nails nails nails on floor nails on slab shadow wall cutout isolated background platform scaffolding wood deck wood grain wooden wooden deck abstract appearance blended bright color colored colorful colors colour coloured colourful colours connected design details geometric geometrical interconnected interwoven joined linear lined lines metal parts patterns perspectives petals radiating ribbed ribbing round shape shaped shapes style texture textured textures thick thin vibrant wallpaper angles appearances architectural architecture box-like buildings business-district city city-scapes city-views contemporary contrast contrasting curve distance distant elements exterior external glass gray grey heights high high-rise Hong Kong modern office buildings rectangles rectangular skyscrapers views walls wealth windows