An aerial drone photo taken on April 6, 2025 shows people walking on a glass bridge at a grand canyon in Zhangjiajie, central China's Hunan Province. Qingming Festival, or Tomb-Sweeping Day, falls on April 4 this year. It is a traditional Chinese festival for people to pay tribute to the dead and worship their ancestors. The holiday also provides a short break for Chinese citizens as they engage in outdoor activities and sightseeing. (Photo by Wu Yongbing/Xinhua)