アメリカ内務省のインスタグラム(usinterior) - 7月24日 00時30分

In some areas of Sleeping Bear Dunes National Lakeshore in #Michigan, the sandy bluffs tower as high as 450 feet above Lake Michigan. Luckily, stairs and trails make it easier for you to get down to the cool, blue waters and dynamic shoreline. The beaches and bluffs along Lake Michigan and around North and South Manitou Islands are always changing. The steep sandy faces occasionally slide tons of sand into the lake, which is quickly whisked up or down the coast by the almost constant wave actions. Observations like this make Sleeping Bear Dunes not only a place to admire the beauty of nature, but also its power. Photo by National Park Service. #SleepingBearDunes #usinterior

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