For centuries, one of the most important cities of the ancient world lay hidden beneath dust, war zones, and shifting rivers. Alexandria on the Tigris—once a thriving center of long-distance trade connecting Mesopotamia with India and beyond—vanished from historical memory after late antiquity. Now, an international research team led by Professor Stefan Hauser of the University of Konstanz has successfully rediscovered and reinterpreted this lost metropolis, revealing its crucial role in ancient global commerce.A City Founded by Alexander the Great In the 4th century BCE, Alexander the Great conquered the Achaemenid Persian Empire, reshaping the political and economic landscape of...