ナショナルジオグラフィックのインスタグラム(natgeo) - 2月13日 08時17分

Under a chilly star filled night sky, Castle geyser in the upper Yellowstone basin vents a tremendous amount of steam. On our final evening and to the delight of a great group of adventures, participating in the winter wildlife photography expedition, we had a spectacular starry display to match the unique geothermal features of Yellowstone National Park. Photo by @kengeiger #NGExpeditions #Yellowstone @National Geographic Travel

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