Although the Grand Canyon Railway was out of commission from 1968 until the late 1980s, the train is back up and running.

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At Mombasa station, however, the overnight train to Nairobi is already several hours late.

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It is not too late for me to jump from the train.

NEWYORKER: Amundsen

But Train and other environmentalists counter that the science of predicting environmental harm before it's too late is seldom absolute.

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