According to the Greek historian Herodotus, Cambyses II, the oldest son of Cyrus the Great, sent his army to destroy the Oracle of Amun at Siwa Oasis. 50,000 warriors entered the Egypt’s western desert near Luxor. Somewhere in the middle of the desert the army was overwhelmed by a sandstorm and destroyed. Although many scientists regard the story as a myth, amateur as well as professional archaeologists have searched for the remains of the Persian soldiers for many decades. Prof Kaper never believed this story. “Some expect to find an entire army, fully equipped. However, experience has long shown that...