If a mandatory service bulletin . was printed, I bet Qatar Airways was the first in line to receive it. Qatar is good about learning from world events and latest technologies. Your aisle seat just became harder to book. Not because the bathrooms closer, but people just want to forget they're on a plane until it lands. You see why you should not forget to say a prayer before you eat or fly. Enjoy life enjoy culture it's a privilege.
http://new2qatar.com/2009/05/27/doha-gateway/

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The subject you studied in school doesn't mean anything. What matters is the training of your brain.