This is so cool! But what country are they from? “Africa” is really vague.
Their names are Duro-Aina Adebola, Akindele Abiola, Faleke Oluwatoyin, and Bello Eniola and they’re from Lagos, Nigeria. There’s a neat video about them here.
Reading on the street, graffiti Jef Aerosol / Leyendo en la calle, grafiti de Jef Aerosol.