アメリカ内務省のインスタグラム(usinterior) - 4月21日 07時51分

Last week, the Northern Lights put on a show that could be seen as far south as #Glacier #NationalPark in #Montana. Witnessing this natural phenomenon @glaciernps can be a rare sight and only happens when there are strong bursts of the #AuroraBorealis. Photo of the #NorthernLights and the starry night sky over #LakeMcDonald by Jacob W. Frank (@jwfrankphotography).

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