I have so much respect for him. He really just does what his heart is telling him to do. He was amazing to work with and really just a brilliant guy.
I'd been living in the tunnel for about three months before the idea came up about making the film and really became good friends with the people.
I never wanted to be a film director but after this experience I really loved it. I would love to do more documentaries but it's difficult to find backing for them.
Other people were fantastic at tapping into electricity. We'd be in a place with no electricity and they would make electricity happen.
If somebody offered me the money I would probably make one but would I actually seek it out? I don't know. I don't really live my life like that.
After a while you 'd start to see who was good at that job and they treated it like it was the most important thing to them in the world.
What being a crew and what this film did was give people a sense of future. It gave them a goal to work towards, which was really special.