1 янв 1093 г. - Durham cathedral started
Описание:
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.Добавлено на ленту времени:
Дата:
1 янв 1093 г.
Сейчас
~ 933 г назад