The main span of the Tian’e Longtan Bridge is 600 m long, establishing a new world record for concrete arch bridges. This surpasses the previous record by 155 m, which is equivalent to the cumulative ...

In 1502, Leonardo da Vinci submitted a proposal for an inventive parabolic-arch bridge that would connect Istanbul with its sister city of Galata. Had it been erected, it would have become the longest ...