Wayne and Cate are a couple from the U.S.state of Montana.They wanted a new home that wasn't too expensive.Their solution was simple-they built their own home.They recycled and used 250 old tires as the house and old glass for the windows.They even used 13000 emrty soda cans in the house in the house.Their home also has large windows and lots of plants and flowers.Solar energy keeps the house warm,even on cold days.