Commuters wait for buses outside a subway station, which is on strike, in Sao Paulo, Brazil, Wednesday, May 23, 2012. Subway workers went on strike in Brazil's biggest city on Wednesday, grinding to a... more 
Commuters wait for buses outside a subway station, which is on strike, in Sao Paulo, Brazil, Wednesday, May 23, 2012. Subway workers went on strike in Brazil's biggest city on Wednesday, grinding to a halt a system used daily by more than 4 million people. Ciro Morais, a spokesman for the subway workers union, said thousands of subway workers walked off their jobs to demand a 20 percent pay hike. (AP Photo/Andre Penner) less 
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Associated Press | Photo By Andre Penner
Wed, May 23, 2012 3:12 PM EDT