PREVIEW

A staff member looks at paintings titled ''Landscape with Walton Bridges'' (L) and ''Norham Castle, Sunrise'' (R) by JMW Turner during a photo call at Tate Britain for ''Turner and Constable: Rivals and Originals'' exhibition which explores the lives and legacies of Britains most revered landscape artists: JMW Turner (1775“1851) and John Constable