There the materials were used to build large fortifications.

He organised militia companies and constructed new fortifications large enough to hold most of the population.

It is the largest such fortification open to the public in Alsace.

At over 55 acres (220,000 m2) this was the largest wooden fortification ever built.

It is one of the largest and best preserved early historic fortification in India.

Fort Cumberland was, for its time and type, a large, elaborate fortification.

It was one of the largest and most heavily armed coastal fortifications ever built.

From the 7th to the 9th century, it was the site of a large Frankish fortification.

This is thought to be the largest fortification ever built by the Venetians, who completed the task in 1586.

It is an important, historical town which is famous for having the largest fortification in Europe.