To the west, the dramatic mesas and rock formations are the result of ancient volcanic activity.

There are traces of ancient volcanic activity and several lakes on the faults.

Fishing is an ancient activity that is among the world's most popular pastimes.

And there's comfort, too, in performing an ancient activity.

Archaeological remains of ancient human activities are designated 'features' and numbered accordingly.

Although the wife tries to redeem him, his is an irresistible vocation, and he occasionally has to take the ancient activity.

- The factory's chimney is here to remember the ancient industrial activity of weaving.

The sun rose pure on pure and ancient activities of human life.

Bare rocky hills, derived from ancient volcanic activity, dominate the area.

There are many cairns and other evidence of ancient human activity.