Queen Maxima of the Netherlands (L) poses with a model of a circular chair by artist Joris Laarman, made by startup Plantics, at the Cleantech Park in Arnhem on April 21, 2026. This site is home to more than 140 companies and institutions working on clean technologies for the energy transition and the circular economy. Arnhem has been named SME City 2026. (Photo by Robin van Lonkhuijsen / ANP / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION