Clockwise from top left: Portrait, Lolo Veleko; Tassili n' Ajjer, Algeria by Brent Stirton, National Geographic; Eliot Elisofon Minganji masqueraders from the Pende peoples near Gungu, Democratic Republic of Congo, 1970; El Anatsui from When I Last Wrote to You about Africa; Portrait, Mailick Sidibe; Boy on Globe. Yinka Shonibare; Boy and the Candle 1943. Gerard Sekoto.