アメリカ内務省のインスタグラム(usinterior) - 1月6日 09時21分

Mesmerizing swirls of green light up the sky as the #NorthernLights dance overhead and cast a bright reflection at #Alaska’s #Denali #NationalPark. While auroras occur year-round, only in fall, winter and early spring is the #nightsky dark enough to view these fantastical displays of light and color. If you don’t catch this hard-to-predict phenomenon, clear, cold nights @denalinps can still provide incredible stargazing. Photo courtesy of Carl Johnson (@arcticlightak). #usinterior #findyourpark

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