アメリカ内務省のインスタグラム(usinterior) - 9月8日 04時29分

You know you're in #Yellowstone when you encounter thermal features throughout the backcountry. This thermal area, located near the Snake River in the southern part of the park, can be safely viewed from a trail.

[BIHAKUEN]UVシールド(UVShield)

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