Problem With Long Haul Flights

"How else can we get from one side of the globe to the other, unless we have a few months to spare to go by boat? While this is the most compelling argument in favour of long haul, it may also be the only really justifiable use of flying at all. There are practical transport alternatives available for many internal and short international trips; by contrast, trains and ferries are simply not viable substitutes for long haul flights. "

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