For a better experience on your device, try our mobile site. BBC UKChina 手机版 This week's programme is about Merlin Diamond, a sprinter from Namibia, who has been training for the Olympics. 收看mp4 ...

Training for the Olympics is very hard. Some athletes train for years and still don't make it to the Games. One athlete who has been training for the Olympics is Merlin Diamond. Merlin is a sprinter ...