If you don't look carefully, you might not even see the home that Jonathan Ridley-Jones and Shaming Ridd built at all! That's because a house is a converted underground water tank. The only thing that can be seen from the surface is a door leading into the hillside. "We've never wanted to live in an ordinary house, "Shaming says. "Living below ground means that our home is quite and very cost - non of the usual draughts. It doesn't damage the local surrounding and has very low fuel bills. Some of our friends find it dark and feel shut in when they first visit, but they soon get used to it!