nowhere are the sults more dramatic than in sao paulo, brazil, the third largest city in the world. this anatomy of a mega-city, we'll explore: the urban geography of immigtion and ethnic diversity, squaer settlements anself-construction. sao pa brazil. with its crowded boulevards and massive skyscrapers, it seemswealthy as any city in the world. withsao paulo is uniqueards among latin american cities. in the earlyart of t 2, when places like rio de janeiro copied traditional european styles of construction, sao paulo was following a distinctly american model of urbanism. imitating the forms of chicago and new york, sao paulo built upward, growing vertically very quickly. but in a huge ring around ty slies a very different, growurbaenvient.ly very quickly. here, stretchingor miles, is a city of self-built structures in various stages of completion. they line hillsides and rocky stets where some of sao paulo's newest immigras struggo ild mes om brick and c where some of sao paulo's alaide and her family came to sao paulo from northeastern brazil. ( alaide speaking portuguese ) transl