Allwondersoftheworld helps to explore the seven ancient wonders of the World.
The pyramids of Giza were referred to as "The Granaries of Joseph" and "The Mountains of Pharaoh". Located in Greater Cairo, the Great pyramid once used to be 481 ft high, however, over the years it lost 30 ft at the top. Not until the nineteenth century AD, it was it outranked as the tallest structure on Earth - which it was for more than 43 centuries. The sloping angle of its sides is 51 degrees and 51 minutes. Each of these sides are carefully oriented to correspond with the cardinal points of a compass - north, south, east, and west. At all levels, the horizontal cross section of the Great Pyramid of Giza is a square, and the length of each side measures 751 ft. The maximum error between side lengths is actually less than 0.1%! The structure is made up of 2 million stone blocks (approximately), each of them weighing above two tons.
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