There is a single tall tower at the west.

However, this idea was soon changed to a single, taller tower.

Instead of a single 150-foot tower, there were other methods to consider.

I think you're missing the point: the distance to a single tower is irrelevant.

A single tower was the only challenge to be found.

One problem in the original design is that any evacuation would be down through a single tower.

Today it is a ruin, with a single tower and sections of wall remaining beside the A71.

A single tower was the only remains of the once majestic church.

The second has a single tower on a curved roof.

Or rather single towers, such as the eighty-story building where I supposedly died.