<a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Prince+William&family=editorial&specificpeople=178205 ng-click='$event.stopPropagation()'>Prince William</a>, Duke of Cambridge and Catherine, Duchess of Cambridge talk to Prime Minsiter <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=David+Cameron+-+Politician&family=editorial&specificpeople=227076 ng-click='$event.stopPropagation()'>David Cameron</a> and French President Francois Hollande at a Commemoration of the Centenary of the Battle of the Somme at The Commonwealth War Graves Commission Thiepval Memorial on July 01, 2016 in Thiepval, France.