"In this Wednesday, Dec. 17, 2014 photo, men work on the construction of the monorail line, which is part of the city's subway system, in Sao Paulo, Brazil. In Sao Paulo, prosecutors accuse 33 businessmen of running a ""cartel"" to profit from the city's subway system. Brazil is witnessing an unprecedented flurry of legal activity, provoked by a growing middle class whose anger over corruption erupted in protests last year, and independent agencies increasingly capable of handling complex probes. (AP Photo/Andre Penner)"
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