There is as yet no evidence of current activity, but researchers plan to monitor the area for changes.

There is evidence of human activity in this area going back 5000 years.

He saw no domestic animals or evidence of agricultural activity.

There is no further evidence of activity in the area until the Roman period.

It is the only evidence of early Islamic activity in the village thus far.

Industry experts, though, say they have seen little evidence of such activity.

The region shows much evidence of volcanic activity in the last 5000 years.

The old river bed several miles west has provided evidence of indigenous activity.

It also said "internal conflict" after 1996 as evidence of political activity.

The evidence of activity moved and excited him, but it was not at these he looked.