Stock Photo - Uwe Dorka, line manager of steel and composite construction at the University of Kassel, sitting next to a true to the original replica of a co-called ""Fallstein"" chamber of the Great Pyramid of Giza in Kassel, Germany, 09 Febuary 2018. Engineering scientists of the University of Kassel demonstrate the closing mechanism of a burial chamber. Photo: Swen Pförtner/dpa. - Kassel/Hessen/Germany

Stock Photo: Uwe Dorka, line manager of steel and composite construction at the University of Kassel, sitting next to a true to the original replica of a co-called.

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