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Workers repair a street lamp near the Haihe River in Tianjin, north China, Oct. 30, 2018. The State Grid Corporation of China has realised full automation of power dispatch in Tianjin City in 2018. (Xinhua/Wang Yuguo)
Workers repair a street lamp near the Haihe River in Tianjin, north China, Oct. 30, 2018. The State Grid Corporation of China has realised full automation of power dispatch in Tianjin City in 2018. (Xinhua/Wang Yuguo)