West Africa, Zimbabwe
Vinnet Ndlovu wants to let the sun shine on mines
The Australian businessman has plans to build solar stations to power mining operations.
Boasting one of the world's largest reserves of bauxite, the main source of aluminium, Guinea has become one of the leading global producers of the mineral. Its West African neighbours - Sierra Leone, Ivory Coast, Ghana and Mali - as well as Cameroon, Tanzania and other countries across the continent have begun to move in to the bauxite market.