In 122 AD the Emperor Hadrian ordered the construction of a wall: running for 120 km between ... road way and the 20 or so forts long its length. It was occupied for over 25 years.

A Roman fort on ... frontline forts along the wall's 73 mile (117.5 km) length. The site, between Chesters and Housesteads, will now be looked after by English Heritage. The fort would have ...