For the past decade, artist Seb Toussaint has travelled to some of the poorest parts of the world to paint brightly coloured frescoes on the walls of downtrodden neighbourhoods.
Dressed in shorts and a T-shirt, the 35-year-old French-British artist, who always paints an inspiring word at the heart of his work, is tackling a piece called “Future” in a dusty slum on the outskirts of Mauritania’s capital Nouakchott.
“The goal is to paint the…