the collected limestone ex-mining is a silent witness

abstract arrangement asphalt backdrop background bedrock board boulder break brick brickwork chalk chip cobblestone collected copy crushed detail engineering ex-mining exploitation floor flooring fossil geology granite gravel grey ground grunge hard heap hill industry limestone marble material mineral mound natural pale pattern pebble pile quarry resource retro rock rough rubble sand scratches silent site soil space stack stone stonewall storage structure surface template texture tile unique urban used vintage wall wallpaper white wildlife witness wood