abstract architectural backdrop background barrier brick brick-wall bricks brickwork builders building cement coloring colors colouring colours concrete constructed construction-work exterior external firm holes hollow linear lines mortar perspective perspectives rectangular rough secure security standard strength strong style surface surfaced surfaces texture textured textures uneven variation varied wall walled wallpaper Asia beginnings construction hill hillside Incomplete people slope sloping steel track trees under-construction walls weeds window-frames colored coloured rough-work smooth solid traditional-brick-wall various well-built beach coast coastal coastline communication conservation conserve conserving contrast contrasting cultivating cultivation direction directive dune-flora dunes environment environmental flora foliage grass grasses green greenery growing growth light natural nature plants protect protection reclaim reclamation replanting salt-resistant sand sand-dunes scrub sign signs tides vegetation