(250425) -- NAGQU, April 25, 2025 (Xinhua) -- A man transport saplings in Nagqu, southwest China's Xizang Autonomous Region, April 25, 2025. Nagqu City has an average altitude of 4,500 meters. Due to the unfavorable conditions for tree growth, such as permafrost, low temperature, frequent strong wind throughout the year, it was once the only prefecture-level city in China without trees used for urban greening.
In 1998, people of Nagqu started the trial of planting trees. After more than 20 years of continuous practice, Nagqu has gradually established a trial planting system, with trees of many varieties being planted in the city. (Xinhua/Tenzin Nyida)
