Dutch King Willem-Alexander, Queen Maxima, Prince Constantijn and Princess Laurentien wave from the balcony...
Dutch King Willem-Alexander, Queen Maxima, Prince Constantijn and Princess Laurentien wave to well wishers from the balcony of Noordeinde Royal Palace after the official opening of the new parliamentary year, in The Hague, the Netherlands September 18, 2018. REUTERS/Eva Plevier