Inside this were steep defensive earthworks, crowned with palisades.

The area is still delimited by the ancient defensive earthwork, which once must have stretched further south to the hill fort at Borgberget.

They set up dummy Quaker Guns along the defensive earthworks.

The entire village was surrounded by a series of palisade walls and defensive earthworks.

This was because earth from these defensive earthworks, or terraggi, was thrown up to form the city's first fortress.

It has also been suggested that the ditch between the hill and the allotments was dug at this time as a defensive earthworks.

The defensive earthworks of the castle now form part of landscaped gardens.

A grass bank and a pond are all that remain of the defensive earthworks and moat.

The defensive earthworks turned out to be more than a single wall.

As late as 1829 the village was protected by defensive earthworks.