Photo de stock - Mine water containing iron is processed at the Vattenfall GmbH Tzschelln mine water processing facility in Boxberg, Germany, 14 March 2016. Seven Vattenfall mine water processing facilities in the Lusatia region filter nearly 100 per cent of the iron hydroxide from the rising mine water caused by groundwater resurgence, allowing 400 million cubic metres of clear water to be poured into the Spree river, its tributaries and other water bodies. Photo: ARNO BURGI/dpa | usage worldwide. - Boxberg/Saxony/Germany

Photo de stock: Mine water containing iron is processed at the Vattenfall GmbH Tzschelln mine water processing facility in Boxberg, Germany, 14 March 2016.

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