For this series, Angolan artist Edson Chagas walked through the streets of Luanda, London and Newport, collecting discarded objects and moving them, at times slightly and in other instances significantly, before photographing them. Taken out of their context and photographed in relation to a carefully chosen background, the mundane items are turned into abstract icons that animate the city.

A selection from the series represented Angola at the 55th Venice Biennale 2013, winning the Golden Lion for Best National Participation. Chagas' works were recently shown at the Museum of Modern...