Others feel there is more of a case for the theory. Harnessing利用 the wind would not have been a problem for accomplished sailors like the Egyptians. And they are known to have used wooden pulleys, which could have been made strong enough to bear the weight of massive blocks of stone. In addition, there is some physical evidence that the ancient Egyptians were interested in flight. A wooden artefact手工艺品 found on the step pyramid at Saqqara looks uncannily不寻常地like a modern glider.