Teresa looked out of the window of the plane and saw the lights of London below her. 'I can't believe it. I'm really going to Kenya. Goodbye, cold England, I'm going to the sun! Six months in Africa. I'm so excited.'
'Are you going to Kenya for a holiday?' asked the woman next to her.
'No. I'm going to work at a special hospital in Nairobi. I'm going to work with an American doctor for several months.'
'That's very interesting.'...