World and Olympic sprint champion Usain Bolt feeds a cheetah cub with a bottle at the headquarters of the Kenyan Wildlife Service in Nairobi, capital of Kenya, on Nov. 2, 2009. The triple Olympic and world sprint champion in both the 100 and 200 metres events arrived in the land of long-distance running on Oct. 30, ahead of the launch of an environmental charity campaign to preserve local ecosystems. [Xinhua]