Students take part in a tree planting event with their teacher at a primary school in Jiyuan, central China's Henan Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Miao Qiunao/Xinhua)

Children take part in a tree planting event at a farm in Yantai, east China's Shandong Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Sun Wentan/Xinhua)

Children of a kindergarten take part in a tree planting event with teachers and volunteers in Taixing, east China's Jiangsu Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Gu Jihong/Xinhua)

Students take part in a tree planting event with teachers and volunteers at a primary school in Wuhan, central China's Hubei Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Zhao Jun/Xinhua)

Volunteers take part in a tree planting event in Hongya County of Meishan, southwest China's Sichuan Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Yao Yongliang/Xinhua)

Volunteers take part in a tree planting event in Jurong City, east China's Jiangsu Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Zhong Xueman/Xinhua)

Volunteers take part in a tree planting event in Boai County of Jiaozuo, central China's Henan Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Cheng Quan/Xinhua)

People take part in a tree planting event in Shangqiu, central China's Henan Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Li Heng/Xinhua)

Children take part in a tree planting event at a kindergarten in Laoling City, east China's Shandong Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Jia Peng/Xinhua)

People take part in a tree planting event in Lianyungang, east China's Jiangsu Province, March 10, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Wang Chun/Xinhua)

Students take part in a tree planting event with their teacher at a primary school in Tancheng County of Linyi, east China's Shandong Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Zhang Chunlei/Xinhua)

Children of a kindergarten take part in a tree planting event with their teachers in Qingdao, east China's Shandong Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Zhang Ying/Xinhua)

Students take part in a tree planting event at a primary school in Taizhou, east China's Jiangsu Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Zhou Shegen/Xinhua)

Students take part in a tree planting event at a primary school in Pingyi County of Linyi, east China's Shandong Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Wu Jiquan/Xinhua)

Volunteers and students take part in a tree planting event in Rongcheng City, east China's Shandong Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Li Xinjun/Xinhua)

People take part in a tree planting event in Boai County of Jiaozuo, central China's Henan Province, March 10, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Cheng Quan/Xinhua)

Students take part in a tree planting event at a primary school in Haian, east China's Jiangsu Province, March 11, 2026. China designated March 12 as National Tree Planting Day in 1979, and launched a nationwide voluntary tree-planting campaign in 1981. With the 2026 National Tree Planting Day just around the corner, tree planting activities are held across the country to encourage more people to participate in afforestation work. (Photo by Gu Binbin/Xinhua)