The threat of volcanic eruption has done wonders for tourism in Iceland.
The Scandinavian country, like New Zealand, has a busy volcanic region, with 18 active ones. When Eyjafjallajokull erupted in 2010, ash clouds across Europe played havoc with world flight schedules.
An "Inside The Volcano" tour, started in June, takes tourists into the dormant chamber of Thrihnukagigur, a volcanic peak 30km from Reykjavik, which last erupted 4000 years ago.
Visitors spend an hour inside the mountain after being lowered 120m on a platform into the mouth of the volcano.
Here's the guiding company's answer to the obvious question: "It's very, very, very unlikely that an eruption will start."
