In 1948, an African prince, Seretse Khama, married a white middle-class clerk in the UK provoking shock in Britain and Africa.
Botswana study indicates lions are put off killing livestock by eyes on cow's rump
Part of the BBC's Direct series featuring different countries
How the southern African nation managed to make the best of its natural resources.
Spectacular landscape and wildlife provide some stunning images from Botswana.