1 janv. 1093 - Durham cathedral started
Description:
The stonemasons who built Durham Cathedral and its nave are believed to have invented the world’s first structural pointed arch. This was to solve the engineering problem of safely building a stone vaulted ceiling across such a large space.Ajouté au bande de temps:
Date:
1 janv. 1093
Maintenaint
~ Il y a 933 ans