A dragon lives inside the cavern.
Tom will be the first person to enter the cave.
A remote Iranian desert city, Ice Age-era caves in Germany and a stone wharf in Brazil built for arriving African slave ships are three new additions to UNESCO's list of World Heritage sites.
How many caves are there in this area?
You wake up lying on the rocky floor of a dark cave. A little light filters down from above. You can just make out a couple of openings leading away from the cave. What do you do now?