The variety of items stolen was exceeded only by the volume. After all, five years was an eternity to commit robbery, and there were thousands of people involved in the looting operations: art experts, guards, packers, engineers. Thousands of trains, tens of thousands of gallons of fuel. Could a million objects have been taken? It seemed impossible, but Stout was beginning to think the Nazis had done it. Their appetite for plunder was boundless, and they were, after all, a model of efficiency, economy, and brutality.