The work of one of the best-known American artists of the 20th century has come to south-east London

Danny Boyle's Frankenstein, a flurry of West End musicals and Keira Knightley treading the boards again...  Al Senter sets the stage for a dazzling theatrical year

Sarah Hanson picks 10 of the best open-air theatres in Britain and lists the summer's must-see alfresco productions