Google Streetview spots Porsche engineers in Colorado

Its a well known fact that car manufacturers test new models on public roads. In Europe most of the tests are done at the famous Nürburgring and during winter in Sweden. In the States, Death Valley is known for hot weather tests and Colorado for high altitude testing.

Taking spy photos has come a full time job for many people, and thanks to them we get to see future models sometimes years before the manufacturers officially introduce them.