WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge at a Tech Market event today for Polish Business on July 17, 2017 in Warsaw, Poland. (Photo by Ian Vogler / Pool/ Getty Images)
WARSAW, POLAND - JULY 17: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge at a Tech Market event today for Polish Business on July 17, 2017 in Warsaw, Poland. (Photo by Ian Vogler / Pool/ Getty Images)