A demonstrator wears a Guy Fawkes mask and a Brazilian flag during a protest on the streets near the Maracana stadium in Rio de Janeiro June 30, 2013. Tens of thousands of Brazilians have taken to the streets this month in the biggest protests in 20 years, fuelled by an array of grievances ranging from poor public services to the high cost of World Cup soccer stadiums and corruption.  REUTERS/Lunae Parracho (BRAZIL - Tags: SPORT SOCCER CIVIL UNREST CRIME LAW TPX IMAGES OF THE DAY) - RTX117C1
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