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The Red Pyramid

The Red Pyramid, also known as the North Pyramid is located at the Dahshur necropolis in Cairo, Egypt.

The pyramid was given the name 'The red pyramid' after the reddish hue of it's stones. It was originally built with a smooth, white limestone exterior. However, the limestone was removed hundreds of years ago and used for construction elsewhere in Egypt.

It stands 105 meters (344 ft) high and it is the largest pyramid among two other pyramids (the pyramid at Meidum and the bent pyramid) built by Old Kingdom Pharaoh Sneferu.

It is considered to be the first successful attempt at creating a smooth-sided pyramid. The pyramid's outer construction uses a shallow angle of 43 degrees, which gives it a noticeably squat appearance compared to other Egyptian pyramids of the same scale.

There are different speculations about the length of time in which the construction was completed. Some say it took11 years, others say it took 17 years to construct, and its design may be the outcome of an engineering crisis experienced during the construction of Sneferu's two earlier pyramids.