An animated film by Rafael Sommerhalder 　　Music: Patrick Furrer 　　Producer: Claudia Frei 　　Narrator: Roger Worrod 　　Sounddesign, Mix: Dieter Lengacher 　　Production: freihändler filmproduktion gmbh, Switzerland 　　freihaendler.ch 　　Brazilian Portuguese subtitles: Letícia Dabés