old abandoned coal pit mine shaft

circle wheel iron art asphalt tire soil flooring number symmetry leaf line pattern floor tarmac spoke wall vehicle old abandoned coal pit shaft mining industry capped safe slate quarry aerial view drone industrial spooky dark mineshaft colliery entrance abandoned ancient black building cave cavern circle copper dark darkness deposit dirt drift exploring fear geology heavy horror industrial industry iron landscape light metal miner mineral miners mineshaft old ore outdoor passage pattern potash quarry rails rocks round rusty scary shadow shaft spooky stone technology tin tunnel underground vintage