Work performed by the students of 9ºB from School E.B. 2,3/S Padre Maurício de Freitas Santa Cruz das Flores - School year 2001/2002 Students that performed the work: Ana Fraga, Carla Jerónimo, Diogo Avelar, Eliana Azevedo, Fábio Armas, Jason Armas, Liliana Pacheco, Liliana Soares, Luís Serpa, Luís Velho, Luís Pimentel, Marco Costa, Marco Câmara, Marisa Mateus, Michael Nóia, Raimundo Lima, Sário Alves, Sílvio Gonçalves.