Poland's former president and legendary Solidarity freedom movement founder Lech Walesa, right, who was instrumental in bringing about the end of communism in Poland, welcomes Britain's Prince William, center, and Kate, the Duchess of Cambridge, in front of the European Solidarity Center in Gdansk, Poland, Tuesday, July 18, 2017. The British royal couple is in Poland with their children on a goodwill visit intended to seal friendly ties after Britain leaves the European Union. (AP Photo/Czarek Sokolowski)