Original height147 m
1,647Crayons
1,047Sunglasses widths
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The oldest of the Seven Wonders of the Ancient World/Ancient Structures
Built around 2560 BCE as a tomb for Pharaoh Khufu, the Great Pyramid of Giza was the tallest man-made structure in the world for over 3,800 years. It consists of an estimated 2.3 million stone blocks, each weighing an average of 2.5 tonnes.