Wayne and Cate are a couple from the US state of Montana.They wanted a new home that wasn't too expensive. Their solution was simple they built their own home. recycled and used 250 old tires as the base of the house and old glass for the windows. They even used 13,000 empty soda cans in the house. Their home also has large windows and lots of plants and flowers. Soler energy keeps the house warm, even on cold days.