アメリカ内務省のインスタグラム(usinterior) - 2月24日 01時23分

A surprising landscape in southwestern #Wyoming, Boar’s Tusk is the remaining core of a long dormant volcanic eruption. Made of an uncommon rock called lamproite, the butte rises 400 feet above the sandy valley floor. It’s a distinct landmark for anyone, or anything, travelling through the area. Photo by Bob Wick, Bureau of Land Management (@mypubliclands). #usinterior

[BIHAKUEN]UVシールド(UVShield)

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