The Great Marib Dam, one of the engineering wonders of antiquity

Yemen is a relatively fertile country, thanks to its location on the seashore and its humid climate. It has valleys…

Carsten Niebuhr, the scientist who crossed the Middle East disguised as an Arab as the only survivor of the Royal Danish Expedition

Scientific travel became widespread among European countries from the mid-18th century following the establishment of the Enlightenment. And although the…