Polly flies over city. Polly sees many streets. Streets are busy. Polly looks for problems. Polly helps festival. Festival is in city. Diego helps Polly. Diego is smart. Diego checks posters. Posters show festival time. Isabel makes new posters. Isabel is an artist. Polly sees bad posters. Bad posters are wrong. Polly tells Diego. Diego listens to Polly. Isabel makes new posters. New posters are good. Diego tells dancers. Dancers help Diego. Polly is happy. Polly helps festival. Polly learns teamwork. Sun goes down. City is pretty. Polly loves city. Polly learns a lot.