Britain's Prince William, Duke of Cambridge, (R) talks with Dutch Queen Maxima (L) on day one of the Royal Ascot horse racing meet, in Ascot, west of London, on June 18, 2019. - The five-day meeting is one of the highlights of the horse racing calendar. Horse racing has been held at the famous Berkshire course since 1711 and tradition is a hallmark of the meeting. Top hats and tails remain compulsory in parts of the course while a daily procession of horse-drawn carriages brings the Queen to the course. (Photo by Adrian DENNIS / AFP)