abstract architectural architecture backdrop background barrier basic brick brick-wall bricks brickwork color colored coloring colors colour coloured colouring colours constructed exterior external linear lines mortar perspective perspectives secure security smooth solid standard strength strong style surface surfaced surfaces texture textured textures traditional-brick-wall variation varied various wall walled wallpaper well-built bolders boulders cover covered fitted fitting large limestone local-stone mound random randomly-coursed retaining-rocks rocks rocky rough rugged shade shadows shaped shapes sharp stone stone-walled stones stonework sunlight sunshine uneven variations variety balcony cement Rendered windows firm corner rectangular clean angles curved curving aged aldabra-giant-tortoise aldabrachelys-gigantea appearance armor armored armorment armour armoured armourment brown carapace contours giant-tortoise grooves hard hide horny-plates layers leathery lined longevity old outlines pointed points protection protective reptile reptilian shell shelter size skin tortoise tough zoo cement-mixer-truck concrete concrete-pad concrete-pour concrete-work concreting construction fill filling flat flatten flattening form forming foundation foundational gray grey level leveled leveling levelled levelling mix mixed mixer pour poured pouring preparation prepared preparing smoothing solidify spread spreading tools wet work working