Having just this morning learned how to search Google images, I was quite cocksure I was going to be able to ace this rebus. Google image search has told me that the money man is Yi Huang, a Chinese philosopher. The open pit mine is the Glencore Copper mine in Africa. The next image is either an octopus, or mollusc, and the fourth image might be a CB750 Honda motorcycle. And now for the answer……………………! Dunno!