Diébédo Francis Kéré knew exactly what he wanted to do when he got his degree in architecture... He wanted to go home to Gando in Burkina Faso, to help his neighbours reap the benefit of his education.

In this talk, Kéré shows off some of the beautiful structures he's helped to build in his small village in the years since then, including an award-winning primary school made from clay by the entire community.