38 years ago I travelled in Egypt. In those days you could go alone inside the Pyramid of Khufu, the oldest and largest of the 3 main pyramids on the Giza Plateau. I remember to this day entering through a small opening in the structure to be faced by a steep ramp-like structure with thin batons across to provide handholds as you hauled yourself up and to stop your feet slipping as you ascended into the heart of the pyramid. My guide had told me to stop at some point, turn a
