They came to Kenya as refugees -- and they left as Olympians
Updated 1031 GMT (1831 HKT) August 1, 2016
Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.
Ngong, Kenya (CNN)It's early morning in the Ngong Hills, on the edge of the Great Rift Valley, and a group of athletes huddle together in prayer in tracksuits and long pants. It's notoriously chilly this time of year.