THIEPVAL, FRANCE - JULY 1: Prince Harry, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during the Commemoration of the Centenary of the Battle of the Somme at the Commonwealth War Graves Commission Thiepval Memorial on July 1, 2016 in Thiepval, France. The event is part of the Commemoration of the Centenary of the Battle of the Somme at the Commonwealth War Graves Commission Thiepval Memorial in Thiepval, France, where 70,000 British and Commonwealth soldiers with no known grave are commemorated. (Photo by Andrew Matthews - Pool/Getty Images)
