article ‘I think we have some of the best photographers in the world’: why London is getting a new gallery for British photography Jessica Lack
video How Robert Devereux built up one of the world’s greatest collections of contemporary African art
Feature Discover artworks from Post-War and Contemporary Art Day Sale — to be offered in aid of Parley for the Oceans
video David Hockney, Lynette Yiadom-Boakye and Beauford Delaney lead Christie’s 20th/21st Century Frieze Week season in London