Cities in dialogues: Photo 1: São Paulo (Tiago Spina); Screenshot 1: facebook profiles (rei de souza), Photo 2 Natal/RN (Jean Sartief), movie: Porto Alegre (Joelson Bugila); drawing: Curitiba (Ygor Raduy); photos 3 and 4: São Paulo (Gabriela Canale); photo 5: belém (viviane gueller); photo 6: são paulo (viviane gueller); photo 7, Porto Alegre (Joelson Bugila); Slideshow: Porto Alegre:(Patrícia Francisco).