The magnificent seven
Crawling underneath Egypt's Great Pyramid, 70 metres down, is an unforgettable experience. On hands and knees in the sand, as the descending tunnel gets narrower and deeper, the bedrock of the Giza Plateau presses in so close you can actually taste it. The rock is salty, because 50 million years ago this was all sea.
I am not the first to have had this visceral, time-travelling experience. As well as the Greek and Roman tourists who left graffiti here, this subterranean tunnel, and the chamber which it led to, was described by the ‘father of history’ Herodotus, and some 2,300 years later was explored by the Italian tomb-raider Giovanni Battista Caviglia. Other passages in the Great Pyramid – a huge burial place for Egypt's King Khufu – were charted by medieval Arabic scientists and desecrated by off-duty Napoleonic soldiers. Built more than 45 centuries ago, this pyramid, the oldest of the famous Seven Wonders of the Ancient World, has always been a catalyst for awe.
And it is not alone. Across time, the Seven Wonders of the Ancient World – the Pyramids at Giza, the Hanging Gardens of Babylon, the Temple of Artemis at Ephesus, the Statue of Zeus at Olympia, the Mausoleum of Halicarnassus, the Colossus of Rhodes and the Pharos Lighthouse of Alexandria – have really mattered. They mattered so much that, in the epoch after Alexander the Great's death, a bespoke catalogue, the was generated to group them together. Written in papyrus about 150 BC, it is our oldest extant evidence for a catalogue. We
