double ring

In 1479, the old defenses were replaced by a new double ring of walls.

He eyed the double ring that now surrounded their camp fire, about twenty feet out.

The thick stalk has a double ring which helps identify it.

In 1414, a double ring of walls surrounding the whole town was finished.

The odds of finding such a double ring are 1 in 10,000.

This is the lower part of the double ring.

At length, he could hear a series of double rings.

There were ten double rings before it cut off in mid-ring.

Vokrais noticed that this one had a double ring around it, blue and green.

Wherefore the first ten and the last six double rings of ships were special indeed.