First you have to know how these walls are constructed.

Soon a wall around the town was constructed but knocked down later.

Much of the stone from the road has been used for constructing walls.

The work went on day and night, with high walls quickly constructed at every crossing point.

It was almost as if a wall had been constructed between them.

They had made particular reference about the wall constructed around the churches.

"No country that is proud of itself should construct walls," he said.

The exterior and the interior wall were constructed as one.

A new wall was constructed along the south side of the churchyard.

Despite their ancient appearance, the wall and gates were only constructed around 1920.