Living in a Billboard This has got to be recycling at its best. Why throwout perfectly good billboards when you can reuse them as a living space? I don't know about you, but how many billboards have you seen that would make a good one bedroom apartment ? This may be the idea, but we shall see if it comes into practical use. Living in a Walking House WALKING HOUSE is a modular dwelling system that enables persons to live a peaceful nomadic life, moving slowly through the landscape or cityscape with minimal impact on the environment. It collects energy from its surroundings using solar cells and small windmills. There is a system for collecting rain water and a system for solar heated hot water. Living under the Grass At first sight, the place seems inhospitable. A rocky cliff facing North, unsheltered, where the wind blows cold and makes the waves break would seem the last place you would want to build your house in. But its owners didn't think the same way a