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Aerial photo taken on Sept. 1, 2018 shows the morning scenery of the Saihanba National Forest Park in north China's Hebei Province. (Xinhua/Liu Mancang)
Aerial photo taken on Sept. 1, 2018 shows the morning scenery of the Saihanba National Forest Park in north China's Hebei Province. (Xinhua/Liu Mancang)