Every day lots of different people come to Happy Hills because there are lots of exciting things to do.
Sally Brown works at Happy Hills in her holiday. She is a student and she wants to be a teacher.
'I need the money,' she tells her family, 'and it's an interesting job.' But she is always very tired in the evening. The workers at Happy Hills arrive early in the morning. They all wear clean green trousers and yellow shirts. They must smile a lot and be nice to all the visitors. ..