![Constantine's Bridge on Danube River at Roman Cities Ulpia Oescus (Gigen, Bulgaria) - Sucidava (Corabia, Romania)](https://i0.wp.com/archaeologyinbulgaria.com/wp-content/uploads/2018/04/Ulpia-Oescus-Roman-City-Road-Constantines-Bridge.jpg?resize=150%2C150)
Constantine’s Bridge on Danube River at Roman Cities Ulpia Oescus (Gigen, Bulgaria) – Sucidava (Corabia, Romania)
Constantine’s Bridge on the Danube River, the largest river bridge in ancient times, was a bridge in the Roman Empire which connected the major city of Ulpia Oescus (today’s Gigen in Northern Bulgaria) in the Moesia Superior province with Sucidava…