Stock Photo - Railway tracks lead into the distance of a dark underground shaft on the museum premises of the former Julia/Thorez mine, today known as 'Old Mine', in Walbrzych, Poland, 3 September 2015. A German tank train from World War II is believed to be located at a depth of 70 metres between mileage points 60 and 65 in an underground hideout inside the mine. According to local legends, two tank trains, which have disappeared without traces in the last months of World War II, where hidden in the underground hideout. The cargo of the trains, however, remains subject to extensive speculations in worldwide. Photo: Arno Burgi/dpa | usage worldwide. - Walbrzych/Poland