Or you see him on the yard, watching the guard towers.

At the call from the guard tower, everyone in the pit stopped.

Then the man on the guard tower was shouting too.

A guard tower of stone was built in the 14th century.

No two of the guard towers were the same height.

There were shouts from the guard towers, running feet, and he was moving.

She saw a figure moving inside one and realized they must be guard towers.

There were doors at the base of each guard tower, so he could reach the top.

The door at the foot of the guard tower was open.

Only the guard tower is easily accessible to the public.