In April of 2011 LIFE ventured to London for our bestselling book The Royal Wedding of Prince William and Kate Middleton. This June we return to capture all the pomp and circumstance as England celebrates its queen's 60th year on the throne. All of the best photography from the festivities will be in these pages -- as will so much else. Directly descended from Victoria, Elizabeth is now on the verge of supplanting that great queen as...