You may politely request that the officer be searched before searching you, says a senior Nigerian officer - and more stories. Provides an overview, key facts and history of Botswana, a major diamond producer in Southern Africa. The history of the continent from an African perspective. With hundreds of pages, and multi-media, the BBC investigates the events and characters INDEX: Religion has always been central to people's lives in Africa. Although the majority of Africans are now Muslim or Christian, traditional religions have endured.