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I'd love to also have a low smell airport.

So many airports direct passenger flow through a shopping zone drenched in perfume fumes. Disgusting as far as I'm concerned.

Not to mention the screaming visual pollution of course.

The smell of jet (and ground vehicle) exhaust is pervasive. It can't be good to breathe.

Came here to say just that. Smell and visual noise is rampant in most international Airports, especially the duty free areas.