Disney is expanding further afield, with the opening of its new park in Shanghai planned for 2016. At the site itself, there's still much to do, but already 153 industrial plants in the east end of the city have been forced to close. The aim is to free the area of Shanghai's notorious smog, leaving clear blue skies for tomorrow's tourists. Rebecca Kantor, Clemence Dibout and Charlie Wang report on how Shanghai's cityscape and economy are being transformed.