Flying Roofs [Toitures Nomades] are an innovative way of traveling and living. The Flying Roofs are located in new villages near the unhealthy cities like Los Angeles and Las Vegas. These villages can only be reached by air 1).
With the Flying Roofs you don't have a difference between your normal house and a holiday home.
The inventor of the Flying Roofs, Kevin Staros, had to sell his shares just before the Flying Roofs became commercially interesting when Russia and India started to build them.