architectural Asia background beginnings brick-wall brickwork builders building concrete construction construction-work exterior external firm hill hillside Incomplete linear lines mortar people perspective perspectives rough secure security slope sloping standard steel strength strong style surface surfaced surfaces texture textured textures track trees under-construction uneven variation varied walled walls weeds window-frames abstract architecture backdrop barrier basic brick bricks color colored coloring colors colour coloured colouring colours constructed smooth solid traditional-brick-wall various wall wallpaper well-built balcony cement Rendered windows corner rectangular clean angles curved curving rough-work