Many of the fortification walls were built in 1663.

Look for the fortification wall that is the first marker.

The fortification wall was removed after 1777 and the remaining parts in 1859.

In order to ensure the security, huge fortification walls were made along with seven strong gates.

Huge fortification walls were built, along with seven strong gates.

Between us and the fortification wall lay first the river, then the moat.

The ruins became part of a fortification wall, which made it easily seen in modern times.

In the 15th century, a fortification wall was raised around the church, of which the gate tower remains.

Large parts of the fortification walls remain well-preserved up to now.

The fortification wall which was built by southern coast of the town didn't change much since it was made.