ALBERT, FRANCE JUNE 30: Prince William, Duke of Cambridge speaks at the Somme Centenary commemorations at the Thiepval Memorial on June 30, 2016 in Albert, France. (Photo by Tim Rooke - Pool/Getty Images)
ALBERT, FRANCE JUNE 30: Prince William, Duke of Cambridge speaks at the Somme Centenary commemorations at the Thiepval Memorial on June 30, 2016 in Albert, France. (Photo by Tim Rooke - Pool/Getty Images)