Photomontage taken on September 1, 2021 shows the star trails over the Wudalianchi Geopark in Heihe, northeast China's Heilongjiang Province. The Wudalianchi Geopark is famous for its volcanoes and hot springs. It has 14 volcanoes and five major volcanic barrier lakes. (Photo by Xinhua News Agency/Rex Features/Shutterstock)
