Good point. However, it was part of the Hellenistic empires for more than 180 years. Alexander the Great even died in Babylon. It was subsequently ruled by the

Good point. However, it was part of the Hellenistic empires for more than 180 years. Alexander the Great even died in Babylon. It was subsequently ruled by the Seleucus dynasty, even after the inhabitants of Babylon were transferred to Seleucia. Not that it has anything to do with the Greeks putting engineers under their arch.