转自：Xinhua
In China's Yunnan province, innovative drone technology is reshaping how infrastructure is built in some of the most challenging terrains. By transporting construction materials across mountains and dense forests, drones are helping engineers overcome logistical barriers while reducing environmental impact. This approach highlights a balance between rapid development and ecological protection.■
元股证券来源：Xinhua
元股证券:ygzq.hk编辑：何颖
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