Pupils water bougainvillea in Panlong District of Kunming, southwest China's Yunnan Province, March 11, 2025. From top leaders to ordinary citizens, planting trees has been a prevalent practice for the Chinese. People are also encouraged to adopt or nurture trees, donate money, and conduct volunteer work related to afforestation. The country established National Tree Planting Day on March 12, 1979. (Photo: Xinhua)

This photo taken on March 11, 2025 shows a newly-planted sapling in Panlong District of Kunming, southwest China's Yunnan Province. (Photo: Xinhua)

Local residents plant saplings in Panlong District of Kunming, southwest China's Yunnan Province, March 11, 2025. (Photo: Xinhua)

A boy waters saplings in Panlong District of Kunming, southwest China's Yunnan Province, March 11, 2025. (Photo: Xinhua)