base building concrete concrete-pad concrete-pour concrete-work concreting construction edged edging fill filling flat flatten flattening form forming foundation foundational gray grey level leveled leveling levelled levelling mix mixed poured preparation prepared preparing rough smooth smoothing solid solidify spread spreading strength strong sunlight surface surfaces textures tools wet work working appearance background barrier coloring colors colouring colours constructed fitted fitting historic large limestone local-stone mortar old patchwork perspectives random randomly-coursed rock rocks rugged rural secure security shade shadows shaped shapes sharp stone stone-walled stones stonework sunshine texture uneven variations variety wall abstract architectural basic brick brick-wall bricks brickwork building-material colored coloured composite exterior external fading firm linear lines partial partially-painted perspective standard style symmetry textured varied various white blue adhering backdrop cracked cracking cracks curved drill-holes modern mottled rectangular split splitting variation wallpaper well-built artwork blocks layered layers painting porous rock-wall sandstone sedimentary-rock weathered weathering