Is where you live a twin town or sister city? Places like, Lagos in Nigeria, Brazzaville in Congo and Addis Ababa in Ethiopia are just a few examples. So what are they? And why do we have them? Here’s BBC Reporter Simi Jolaoso to explain.

BBC What’s New and BBC Actu Jeunes are the BBC’s first bilingual programmes for teenagers, brought to you by the BBC World Service to discuss important issues for young people across Africa.

BBC Actu Jeunes et BBC What’s New, l’actualité qui parle aux jeunes en Afrique, en français et en anglais. Des émissions du Service Mondial de la BBC. Abonnez-vous ici!

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