Pyramids arent only found in Egypt, although these are probably the best known. Discover the secrets behind all the pyramids - Egyptian, Sudanese, Aztec and Mayan - through this Eyewitness Guide. The photography and text combine to reveal the architecture and construction of the various pyramid forms, the treasures they contain, transporting readers through the false passages and traps set to stop tomb robbers in the Great Pyramid, to the Aztec temples of the Sun and Moon, their sacrifice rituals, and how they obtained their endless supply of victims 50,000 in the last years.