dry ferric mud and rusty sand. leknica muzakow coal quarry

tree pit poisonous lignite heritage brown panorama saxony germany pond geopark geological park death poisoned landscape ecological problem lignit quarry muskau arch water wild wet stream stone root river red purity oxide orange mud mossy moss mineral iron industry green forest flow ferric europe deep creek copper contrast chemical rests dry rusty sand leknica muzakow coal quarry colorful clay lakes poland