ocr: Sealing Tombs against Grave Robbers Pyramids were sealed carefully. Stone doors were propped open until the mummy was placed in the tomb. Afterwards, the props were pulled, and ESCAPE ROUTE the doors blocked the tunnels inside the pyramid. The people who closed the doors escaped down tunnels that led to the main pyramid entrance. These tunnels were too steep to climb back up. Once the people who closed the doors were concealed. out, the pyramid entrance was Nearly discovered all the have tombs been that robbed. have been Ins spite of these precautions, thieves robbed the tombs within the pyram ...
