Dutch Queen Maxima (C) visits Plant-e, a sustainable startup which develops products that generate electricity from plants, in Wageningen, the Netherlands, on June 7, 2017. / AFP PHOTO / Photographer AND ANP / Piroschka van de Wouw / Netherlands OUT (Photo credit should read PIROSCHKA VAN DE WOUW/AFP/Getty Images)
Dutch Queen Maxima (R) visits Plant-e, a sustainable startup which develops products that generate electricity from plants, in Wageningen, the Netherlands, on June 7, 2017. / AFP PHOTO / Photographer AND ANP / Piroschka van de Wouw / Netherlands OUT (Photo credit should read PIROSCHKA VAN DE WOUW/AFP/Getty Images)
Dutch Queen Maxima arrives during the opening of the Holland Festival in Amsterdam, on June 3, 2017. / AFP PHOTO / ANP / Evert Elzinga / Netherlands OUT (Photo credit should read EVERT ELZINGA/AFP/Getty Images)
