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A technician checks the condition of photovoltaic (PV) equipment installed on roofs of residential houses in a village of Feixiang District of Handan, north China's Hebei Province, Nov. 16, 2019. (Xinhua/Wang Xiao)
A technician checks the condition of photovoltaic (PV) equipment installed on roofs of residential houses in a village of Feixiang District of Handan, north China's Hebei Province, Nov. 16, 2019. (Xinhua/Wang Xiao)