A drone image shows the foundations of a Roman-era bridge that once spanned the Danube River. GIGEN, BULGARIA—A heat wave in Europe has caused water levels in the Danube to fall drastically, exposing the foundations of a Roman bridge near the village of Gigen in Bulgaria, according to the Greek Reporter. Built under the emperor Constantine I and inaugurated in A.D. 328, the bridge stretched a little over a mile, making it one of the longest brid…
An exceptional fall in the Danube River level allowed us to observe and document part of the foundations of one of the largest engineering works in ancient Rome.