As far as world's population increases, air travel demand will grow. But, this trend is true only when the population of those who have enough money to take airplanes increases.
In terms of freight, the recovery from Lehman Shock, world's trade seems to increase gradually. So, the demand of air freight may increase firmly.
Diary of a rail fan in Kansai,Japan(Ver.2)
About world's rail news, general news, my train pictures, and travel diary)
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