Newly identified bridge forms could enable significantly longer bridge spans to be achieved in the future, potentially making a crossing over the Strait of Gibraltar, from the Iberian Peninsula to ...

Forbes contributors publish independent expert analyses and insights. Duncan Madden is a travel writer living in Köln, Barcelona and London. The world’s oldest known bridge lies in Tello, southern ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.