Finally, having formulated his hypothesis, Professor Magli returns to visit one specific place in detail, searching for proof. This in-depth examination studies the most compelling, the most intensively studied, the most famous and, until recently, the most misunderstood sacred landscape on the planet - Giza, in Egypt. The archaeoastronomical analysis of the orientation of the Giza pyramids leads to the hypothesis that the pyramids of Cheops and Chephren belong to the same construction project.