The Great Pyramid of Giza was built by quarrying an estimated 2.3 million large blocks, weighing 6 million tonnes in total. The majority of the stones are not uniform in size or shape, and are only roughly dressed. The outside layers were bound together by mortar.

It was buitl about 4,600 years ago over a period of about 27 years.

It was the world's tallest human-made structure for more than 3,800 years.

[📸 mojitomanwes]