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A villager works in a rice field in Guankou Village of Longli County, southwest China's Guizhou Province, June 21, 2018. Thursday marked the summer solstice, the northern hemisphere's longest day of the year. (Xinhua/Pan Xilai)
A villager works in a rice field in Guankou Village of Longli County, southwest China's Guizhou Province, June 21, 2018. Thursday marked the summer solstice, the northern hemisphere's longest day of the year. (Xinhua/Pan Xilai)