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Visitors watch the eruption of the Old Faithfull Geyser in Yellowstone National Park, the United States, Sept. 5, 2019. (Xinhua/Han Fang)
Scenery of Yellowstone National Park
Source: Xinhua| 2019-09-06 21:29:46|Editor: xuxin
Visitors watch the eruption of the Old Faithfull Geyser in Yellowstone National Park, the United States, Sept. 5, 2019. (Xinhua/Han Fang)
