How did they do it? British archaeologist, John Rohmer, believes he has figured out how the ancient Egyptians engineered The Great Pyramid without modern tools. His theories are presented in part one of a video series.� Explore with him the interior of this mysterious structure. �Man fears time, but time fears the pyramids� is an old Arab saying. However, as you follow Rohmer through tight crawl ways you can imagine how you too might fear the pyramids.