Photo taken on Aug. 1, 2017 shows the confluence of the Ergune River and the Shilka River, two headwaters of the Heilongjiang River, near Luoguhe Village, northeast China's Heilongjiang Province. (Xinhua/Wang Kai)
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Photo taken on Aug. 1, 2017 shows the confluence of the Ergune River and the Shilka River, two headwaters of the Heilongjiang River, near Luoguhe Village, northeast China's Heilongjiang Province. (Xinhua/Wang Kai)
