[jhallenworld]

You don't have to go so far to experience this: Guadalajara rush hour today is what LA was like in the 70s.

https://aqicn.org/city/guadalajara/

But OMG, Nepal: http://aqicn.org/city/india/patna/igsc-planetarium-complex/

Or New Delhi: http://aqicn.org/city/delhi/national-institute-of-malaria-re...