Article Photos: Gas shortage exposes Pakistan's energy crisis 4/4

In this Tuesday, Dec. 11, 2012 photo, Pakistanis queue in line near a gas station in Karachi, Pakistan. It has become a familiar site across Pakistan in recent weeks: Long lines of cars and minibuses snaking for hundreds of yards as their frustrated drivers wait to fill up their tanks with natural gas. (AP Photo/Shakil Adil)