abstract architectural backdrop background concrete construction contained cover covered design detail drain drainage draining grating gray grey grid grill grille heavy lattice lid lined lines maintenance metal metallic parallel pavement paving perspective rust rusty sanitation shape solid square squared squares strength strong urban beach-side circular deep dunes grasses hole rocks rocky round sand sand-dunes soak-well vegetation water well attached barrier chain chained closed connected gates grass heavy-chain iron link linked links locked old outdoor outside padlock padlocked property protected rusted rusting sealed secure secured securing security shut backgrounds barrel build connect gay gender group industrial industry infrastructure large liner material materials objects pattern pile pink pipe pipeline pipes plant plumbing project queer repair sewer shabby site steel street technology tube tubing Underground used wear work appearance blue-metal chips close-up embedded granite gravel near patterns pebbles protective rough shaped shapes size Sizes slab slabs stones surface surfaces texture textured textures thick wall 1950s angles arm base black brown designed Designs disused dress-making electric gold machine mechanical mechanised movable moving-parts non-functional parts perspectives sewing sewing-machine shiny silver tarnished vintage weathered wood wooden worn