1. There were stories about an old tunnel with treasure in it.
2. They were red, brown and black.
3. There were around 1,500 pictures.
3. They were over 17,000 years old.
5. The pictures were very important because they were very old and could reveal the life people led in the Stone Age.
6. I think/believe the boys were astonished/surprised by their discovery/proud of their discovery.
