Pictures of the Week: The Week in Pictures

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.
Anatoly Maltsev / EPA

Wednesday, August 22, 2007
Center of the Earth
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.