When Emperor Hadrian destroyed the world’s longest bridge

On 103 A.D. emperor Trajan ordered to build a bridge over Danube river to be used for the crossing and…

The Great Marib Dam, one of the engineering wonders of antiquity

Yemen is a relatively fertile country, thanks to its location on the seashore and its humid climate. It has valleys…

The wrought iron bar chain that saved the Amiens Cathedral from collapsing

The Amiens Cathedral, listed as a Historical Monument in 1882 and included in the UNESCO World Heritage List in 1981,…

The oldest bridge in the world, in the Sumerian city of Ngirsu

In the present Tel Telloh of the Iraqi province of Dhi Qar is the site of the ancient Sumerian city…