Egypt has opened to visitors the “bent” pyramid built for the pharaoh Sneferu, a 101-metre structure south of Cairo that marks a key step in the evolution of pyramid construction. Tourists will now be able to clamber down a 79-metre long, narrow tunnel from a raised entrance on the pyramid’s northern face, to reach two chambers deep inside the 4,600-year-old structure. They will also be able to enter an adjoining 18-metre high “side pyramid”, possibly for Sneferu’s wife Hetepheres, opened for the first time since its excavation in 195 Its appearance is unusual. The first 49 metres, which have largely kept their smooth limestone casing, are built at a steep 54 degree angle, before tapering off towards the top. It has been reopened to the public for the first time since 1965, when it was closed for restoration works. The angular shape contrasts with the straight sides of Sneferu’s Red Pyramid just to the north, the first of ancient Egypt’s fully formed pyramids and the n...
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