Prince William and Kate visit Greentown Labs in Boston - in pictures

Prince William and his wife Kate speak with members of start-up companies at Greentown Labs in Somerville, Massachusetts. Reuters
People gather outside Greentown Labs to welcome the couple. Reuters
The Prince and Princess of Wales greet a member of the public. EPA
The Princess of Wales receives flowers from eight-year-old Henry Dynov-Teixeira as she departs Greentown Labs. EPA
Young Henry said that, after visiting London, he wanted a costume like the King's Guard. AFP
Henry told reporters that the royal couple had asked him what his name was, complimented his costume and thanked him for the flowers he brought. Reuters
The Prince and Princess of Wales will attend the Earthshot Prize awards ceremony in Boston on Friday. EPA
Massachusetts governor-elect Maura Healey takes a photo of the Prince and Princess of Wales with Emilia Fazzalari, wife of Boston Celtics owner Wyc Grousbeck at an NBA game. Reuters
Prince William and Kate met Ollie Perrault, a 15-year-old climate activist, after she accepted the Heroes Among Us award at centre court during a game between the Boston Celtics and the Miami Heat. AFP