People make Zongzi at a residential community in Qingdao, east China's Shandong Province, June 17, 2020. Zongzi is a traditional food for the Dragon Boat Festival, which will fall on June 25 this year. (Xinhua/Li Ziheng)

A person makes Zongzi at a residential community in Qingdao, east China's Shandong Province, June 17, 2020. Zongzi is a traditional food for the Dragon Boat Festival, which will fall on June 25 this year. (Xinhua/Li Ziheng)

People make Zongzi at a residential community in Qingdao, east China's Shandong Province, June 17, 2020. Zongzi is a traditional food for the Dragon Boat Festival, which will fall on June 25 this year. (Xinhua/Li Ziheng)

People make Zongzi at a residential community in Qingdao, east China's Shandong Province, June 17, 2020. Zongzi is a traditional food for the Dragon Boat Festival, which will fall on June 25 this year. (Xinhua/Li Ziheng)