Sedimentation pool, sludge pond, open pit ore mining, Erzberg mountain at Eisenerz, Styria, Austria, Europe

austria daylight daytime day economies economy environment erzberg high angle shot high angle view industries industry iron ores iron ore mines mine minings mining mud pool mud pots mud pot natural resource nobody open cast mining ores ore outdoors outside productions production raw materials raw material sedimentation basin settling basin settling pond steiermark styria Österreich