And they can join organized rides to nearby places like the Black Hills, Custer State Park, Mount Rushmore and the Crazy Horse Monument.

他们也可以参加有组织的骑行到附近的地方，比如黑山，卡斯特州立公园，拉石默山和疯马纪念碑(？)

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Folks in the Mount Rushmore state may be used to seeing presidents' faces etched in granite, but at the beginning of the primary season, most didn't really expect to see much of the Democratic presidential candidates in the flesh.

NPR: Who Is South Dakota? A Pre-Primary Tour