In an ideal world, students might visit original cave sites to see ancient paintings in their natural setting. This isn't possible, so the idea of an artificial cave set-up at a university was born.
Work is already underway to repair the damage to the ancient city of Palmyra in Syria, but we need to question if technology will take things too far.
The San are caught between a rock and an art place. While they face an uncertain future, myths and meaning come under the spotlight in a new book.
Stone tools have been integral to the way archaeologists have told the human story.