Illustration of Great Pyramid of Giza and Pyramid of Khafre (Khafra) halfway through construction [Getty Images]

Illustration of Great Pyramid of Giza and Pyramid of Khafre (Khafra) halfway through construction — see more

Illustration of Great Pyramid of Giza and Pyramid of Khafre (Khafra) halfway through construction

Dorling Kindersley RF Dorling Kindersley