Photo de stock - Vattenfall security officer Mark Korzak coats wires with artificial DNA during a press conference at Vattenfall about the security measures taken against metal thieves in Jaenschwalde, Germany, 02 October 2013. Vattenfall is using artificial DNA, flying robots and other measures to guard against metal thieves at their Lausitz facility. Photo: PATRICK PLEUL | usage worldwide. - Jänschwalde/Brandenburg/Germany

Photo de stock: Vattenfall security officer Mark Korzak coats wires with artificial DNA during a press conference at Vattenfall about the security measures taken against metal.

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