Can Artificial Rain, Giant Shower Heads And Vacuum Cleaners Solve China's Smog Problem?

While smog is a problem in many of the world's urban cities, few have it as bad as China. Most of last year, the air around Beijing was so polluted that on certain days it went beyond what was once considered the worst possible level. The residents of Harbin, in northeast China, have not had it easy either. On days when the haze is really bad, residents are unable to even see across streets and airplanes have a hard time landing.