A child views a display of ocean plastic pollution at H22 City Expo in Helsingborg, Sweden, on June 17, 2022. H22 City Expo, taking place in Helsingborg from May 30 to July 3, invites the world to explore new twists on a sustainable city, and discovers how innovation and collaboration can inspire everyday solutions to the world's biggest challenges. (Xinhua/Fu Yiming)
People ride an amusement facility made of used materials at H22 City Expo in Helsingborg, Sweden, on June 17, 2022. H22 City Expo, taking place in Helsingborg from May 30 to July 3, invites the world to explore new twists on a sustainable city, and discovers how innovation and collaboration can inspire everyday solutions to the world's biggest challenges. (Xinhua/Fu Yiming)
