アメリカ内務省のインスタグラム(usinterior) - 5月5日 00時23分

Star trails above the Bonneville Salt Flats in #Utah almost look like a tunnel into hyperspace. These salt flats are made of approximately 90 percent common table salt, weighing millions of tons. The crust is up to 5 feet thick near the center of this unbelievable landscape that stretches over 46 square miles -- just slightly smaller than the size of San Francisco. It’s the perfect way to celebrate #MayThe4thBeWithYou! Photo by Joseph Gruber (www.sharetheexperience.org).

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