But this is so old, and the cave hasn't been used for years.

These caves were used at various times during the last ice age.

The cave has been used by humans for over 35,000 years.

Near the front were many signs that the cave had been used before.

The cave itself was not used yet, as the pools were outside.

In the 1960s, the caves were used as a music venue.

The caves are sometimes used to house cattle - watch your step.

The Government has said the cave will probably remain closed to the public for many years and used exclusively as a study site.

Some caves were used as temporary camp, even far inside island.

During the last war the upper cave had been used by the Vietnamese army as a hospital.