Tianjin Updates
Engineers use drone to inspect high voltage power lines in Tianjin
An engineer operates a drone to inspect high voltage power lines in north China's Tianjin, June 24, 2019. [Photo/Xinhua]
A drone operated by an engineer inspects high voltage power lines in north China's Tianjin, June 24, 2019. [Photo/Xinhua]
An engineer operates a drone to inspect high voltage power lines in north China's Tianjin, June 24, 2019. [Photo/Xinhua]
An engineer takes out the drone to inspect high voltage power lines in north China's Tianjin, June 24, 2019. [Photo/Xinhua]
An engineer operates a drone to inspect high voltage power lines in north China's Tianjin, June 24, 2019. [Photo/Xinhua]
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