General Bertrand Ract Madoux (L), Governor of Invalides, walks with Britain's Prince William, Duke of Cambridge (L) and his wife Britain's Kate, Duchess of Cambridge as they visit the Hotel des Invalides in Paris on March 18, 2017.
Britain's Prince William pledged on the eve that his country will retain close links with France despite Brexit, as he and his wife Kate began a two-day visit to Paris. / AFP PHOTO / POOL / GONZALO FUENTES        (Photo credit should read GONZALO FUENTES/AFP/Getty Images)