In Europe and North America, the size of an average family is getting smaller, but homes are not. countries they are getting bigger. Bigger homes are many more expensive and heating them in cold weather is worse for the environment. Many people believe it's time to think again about the size of our homes. Sixteen-year-old Austin Hay is building a home on his parents' drive. It's got everything important, including a shower room, a kitchen and an attic bedroom with a low ceiling, but it's only 2.4 metres wide and 3.7 metres long. "When I was a kid, I wanted to build a tree house, Austin explains. 'But this house is on wheels and that's a lot cooler.' Austin doesn't do any building during the week - he's busy with school work and playing baseball. But he usually works hard on his house at the weekend. "At the moment I'm working on the doors. They're quite easy, so my dad isn't helping me. He only helps with the difficult things. Austin is sleeрing in his little house this summer. There isn't a fireplace at the moment, so in winter he'll move back across the lawn to his parents house. And in the future? University is very expensive in the USA, but it'll be cheaper for me because l can take my little house with me. I can live in it anywhere.
2. Bigger homes are more expensive and heating them in cold weather is worse for the environment.
3. His bedroom is in the attic.
4. The attic bedroom is 3.7 metres long.
5. His house is on wheels and that's cooler.
6. His dad helps him with difficult things.
7. He lives there in summer because there isn't a fireplace to live in the house in winter.
8. He can take his little house with him when he will study at the university.
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