Sunflowers in a field in Guyuan County, north China's Hebei Province, are blooming under white clouds and blue sky.
About 6,000 years ago, at the time of the Neolithic Age, humans began to live in Guyuan County.
The county is rich of solar power, with an annual sunshine duration of 3,052 hours. The long hours of sunlight makes Guyuan a perfect place for sunflowers.
(All photos via CFP)
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