Aerial inspection of power transmission lines taken around Beijing
Source: Xinhua| 2017年04月05日 19:05:01|Editor: Xiang Bo
CHINA-BEIJING-POWER-AERIAL-INSPECTION (CN)
A technician of State Grid Beijing Electric Power Company takes an aerial inspection of power transmission lines in the mountain areas around Beijing, capital of China, April 5, 2017. (Xinhua/Li Xin)