"You really have to think on your toes," says William Smith, 15, fresh from two weeks working in a pharmacy in Li ge. "When you have to work with strangers, in a foreign language, it puts a lot of pressure on, and I think you work better under pressure."
Malcolm McCarthy, 14, worked in a sandwich bar. "It was good to see more of the culture, rather than just learning the language," he says. "At lunchtime it was really busy. I had to make sandwiches, take orders from tables, take plates from the kitchen. They were counting on me."