NPR marks the second anniversary of a giant sinkhole that sucked up a display of eight vintage Chevrolet Corvettes at the National Corvette Museum in Bowling Green, Ky. The museum is opening a special exhibit to commemorate the anniversary. Even though the sinkhole has been filled in and the cars repaired, the museum wants to tell the story of how it happened, and how the museum dug itself out of what might have been a nightmare.
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