Qing Ming Festival, known in Mandarin as Qīngmíng jié or Tomb Sweeping Day is a traditional Chinese holiday. On this day, families honor their ancestors by offering food, burning incense, and sweeping their tombs. Source: Zhao, R. (2022, March 3). Qingming Festival 2022, Tomb Sweeping Day, Ching Ming. China Highlights - Since 1998! https://www.chinahighlights.com/festivals/qingming-festival.htm