Refugees run for Rio Olympic dream team High up in Kenya's rugged Ngong Hills, refugees sprint around an athletics track in intensive training they hope will see them selected for a unique team for the Rio Olympics. Hand-picked from Kenya's vast refugee camps -- including Dadaab, the biggest in the world -- to join the training camp just outside the capital Nairobi, the athletes here have their eyes set on racing in Rio de Janeiro in August. A natural sound version of an AFPTV report