In 'Smog-istan', not all Pakistanis are created equal

Lahore, Pakistan - Walking through the streets of Lahore's old city, once home to Mughal royalty but now overtaken by a maze of ramshackle shops and commercial buildings built seemingly on top of one another, you can see a thin layer of translucent brown air hang just above street level.

"We have been getting sore throats, colds and fevers," says Khurram Shehzad, 35, a salesman at a hardware store, covering his mouth with a scarf. "Our eyes burn, and our throats become dry. I've been coughing a lot [this year]."