TRIER, GERMANY - OCTOBER 11: King Willem-Alexander of The Netherlands with Queen Maxima of The Netherlands and Governor of Rhineland-Palatinate Malu Dreyer with her Husband Klaus Jensen (R) arrive at the Porta Nigra, a magnificent 2nd-century Roman city gate, on October 11, 2018 in Trier, Germany. King Willem-Alexander of The Netherlands and Queen Maxima of The Netherlands are on a three-day-visit to Germany. (Photo by Andreas Rentz/Getty Images)
