Gary Johnson was driving a digger at Dewars Farm Quarry in Oxfordshire, UK when he hit a big hump in the road.
"I thought it's just an abnormality in the ground," he told the BBC News. "But then it got to another, 3m along, and it was a hump again. And then it went another 3m – hump again."
Turns out, the series of humps was…
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