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In this April 14, 2020 file photo, a motorcyclist drives past a poster calling people to take care of their health against the new coronavirus in Hanoi, Vietnam. Nervous travelers, spotty air service, health risks _ the battered global tourism industry is facing unprecedented uncertainty in the wake of the new coronavirus. Millions of workers are laid off or furloughed, and it will likely take years for the industry to get back to the strong demand it was seeing just six months ago. (Photo by Hau Dinh/AP Photo)
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