This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Canal proposed by Pliny the Younger. Reconstruction attempt from . px border align center cellpadding bgcolor ECECEC colspan KEY Deutsch English Kanal von Plinius und Pascha vorgeschlagenbr Vorschlag des Plinius Canal proposed by Pliny and Pashabr proposal by Pliny Plinius dem Jngeren geplanten Kanals zum Golf von Nikomedia