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The pyramids were built around 2560B.C.The largest one of them is the Great Pyramid of Khufu. It's one of the Seven Wonders of the World .The King, Khufu, built the Great Pyramid as his tomb. show that it 1000000 people over 20 years to complete it .
The Great Pyramid wasa unique building in the 19th century A.D. At that time it was still the building in the world .According to research, the ancient King ,Khufu ,ordered his men to build the Great Pyramid stone by stone .The biggest stone as much as 15 tons .Each stone was fixed so well, though the ancient workers didn't have any modern tools .The Great Pyramid has four sides and each sides is 230.4 meters and 146.5meters high. At that time, there were no modern or equipment, so how did the ancient people build the Great Pyramid? To this day, it still a mystery .But many scientists continue to study their .The completion of the Great Pyramidthe achievements of ancient working people.
