S£o Paulo, Brazil‚s vibrant financial center, is among the world’s most populous cities, with numerous cultural institutions and a rich architectural tradition. Its iconic buildings range from its neo-Gothic cathedral and the 1929 Martinelli skyscraper to modernist architect Oscar Niemeyer‚s curvy Edif­cio Copan. The colonial-style Pátio do Colgio church marks where Jesuit priests founded the city in 1554.