close-up heap of big stone slab block

stone flooring tile block construction material slab brick stack durability old granite antique square concrete gray boulder engineering stucco solid industrial grunge site vintage large piece heap big rock pile grainy crack rough cement stonework ancient build architectural castle structural archaic paving aged mineral grungy flagstone hard ashlar architecture exterior stain texture structure natural angle shabby wall grain industry construct preparation interior shape building weathered rugged durably dirty durable sheet grey pathway walkway geometric crate heavy close-up no-people