Ponte San Lorenzo

About

The Ponte San Lorenzo is a Roman bridge over the river Bacchiglione in Padua, Italy. Constructed between 47 and 30 BC, it is one of the very earliest segmental arched bridges in the world. It is also notable for the slenderness of its piers, unsurpassed in antiquity.

Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.