Chagos islanders hope to return after UK cedes last African colony

Also in the programme, Ethiopian drivers shift to a greener mode of transport. A ban on the import of petrol and diesel cars is encouraging motorists to plug in. But in a country where the power supply is not always reliable, keeping an electric car at full charge can be a challenge.

And we speak to the founder of the Ghana-based cultural  and educational NGO NACSA, whose mission is to safeguard and share Africa's vast, complex and fascinating history. It works throughout the continent and diaspora to deepen understanding in order to better prepare Africa for its future.