2013-06-10T120000Z_16770113_GM1E96A1DXC01_RTRMADP_3_SERBIA (1)

Photo: A dumper truck travels along a trail in the open copper pit in the Serbian town of Bor, some 238 km (148 miles) south-east from Belgrade June 8, 2013. In Serbia, foreign companies are picking up a long tradition of prospecting for gold and copper and discovering deposits that could mark a revival of the country’s mining sector. Pressured by cautious investors, international mining companies are putting riskier exploration projects in places like Africa on ice and turning to developments where infrastructure and political risk are lower. Picture taken June 8, 2013. Credit: REUTERS/Marko Djurica