On July 16, Tang Yayun works on the construction site of an ±800 volts extra-high-voltage direct current transmission project. (Photo from Xinhua)
The temperature of the northwest Gobi in reached 40 degrees Celsius.
Tang Yayun, an employee in Ningxia Electric Power of State Grid, wears work coat, safety helmet, insulating gloves. He worked 8 hours outdoors every day. During break, he drank 6 bottles of water successively.
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