Catallaxy Files
"The Rio+20 sustainable development summit will be held from 20 – 22 June 2012. There will be around 60 000 delegates......Using the typical seat configuration for a Qantas 747, if all 60 000 delegates travelled economy class, they would require 191 Qantas 747s to fly them to Rio. If they all travelled business class: 1200 Qantas 747s."
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