Princess Amalia of the Netherlands visits the AMOLF Nanolabs, where research into solar energy and the development of a sustainable and high-tech solar industry are explained to her, in Amsterdam on April 16, 2026. The visit was part of a two-day official tour of Amsterdam during which the princess met residents and representatives from the science, sport, culture, housing and social sectors. (Photo by Edwin Smulders / ANP / AFP via Getty Images) / Netherlands OUT