rusty sand on the beach of colapsed coal mine. geological park

sand stream chemical colorful contrast copper creek deep europe ferric flow forest grass green industry iron landscape machinery mineral moss mossy mud orange oxide purity red river root stone wet wild death water muzakow leknica herons muskau arch quarry lignite geological park geopark pond germany saxony brown heritage outdoor travel reservoir coal field poisonous pit tree rusty beach colapsed closed babina poland borders