2008-11-6 16:16| 发布者：| 查看：545| 评论：0|来自：中国摄影在线
Wednesday, August 22, 2007Leningradskaya矿的页岩油储量达到250万吨。图为一名矿工在矿车里向外张望。A miner looks out of a carriage in Leningradskaya slate mine in the town of Slantsy, Russia. The Leningradskaya mine has a store of 2.5 million tons of shale oil.
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