The 7 most "smart" cities of the world

Yet, there are cities – landmarks around the world do more to sustainability, self-sufficiency and their development than just go out for an hour light. From Hamburg’s decision to ban bottled bottles of water, until the movement of the Sao Paulo to remove the billboards and the pollution in the streets, these here are the cities adopt far more radical measures for self-sufficiency and sustainability of a real live big city, which has something to offer to its residents.
Hamburg: no to bottled water packaging. Oslo: no cars in the city center
Bogota: expressway buses. Helsinki: smart move mobile. Seoul: free internet in every corner of the city. Milan: compensation to travelers on bicycle. Sao Paulo: not all outdoor ads.