The Flour Bridge is a bridge across the Griboyedov Canal in Saint Petersburg, Russia.
Close-up of the railings and stairways
An arch bridge is a bridge with abutments at each end shaped as a curved arch. Arch bridges work by transferring the weight of this bridge and its loads partially as horizontal thrust restrained by th
A double-arch stone bridge in Nagasaki, Japan
The Roman Alcántara Bridge, Spain (built 103-106 AD)
The Anji Bridge, 6–7th century AD
Segovia Aqueduct (c. 100 AD)