Images of urban environments in Brazil: a view of downtown Sao Paulo from Oscar Niermeyer's Edificio Copan; a view of Cidade Tiradentes, Latin America's largest housing complex located to the east of São Paulo;a view of the favela complex of Alemão in Rio de Janeiro's Zona Norte; the Viaduto Santa Efigênia in downtown São Paulo; and Leblon in Rio de janeiro's Zona Sul