Problems at stadiums being built or renovated in Brazil for next year's World Cup and the 2016 Olympics:

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Nov. 27, 2013: Crane crashes into 500-ton metal structure at Arena Corinthians in Sao Paulo, toppling it into stadium's outer wall and destroying rows of seats and huge LED panel. Two workers are killed.

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May 27, 2013: Small part of roof at Arena Fonte Nova in northeastern city of Salvador collapses from weight of accumulated water from heavy rainstorm. No one injured. Stadium officials deny any structural problems in project and say collapse resulted from mistake by worker who inspected roof.

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March 28, 2013: Worker dies at construction site of Arena Amazonia in jungle city of Manaus, falling about 16.5 feet (5 meters) while crossing over elevated concrete structure.

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March 26, 2013: Rio de Janeiro officials close Joao Havelange Olympic Stadium, which will be used for track and field events at 2016 Olympics, and announce in June that it will remain closed until 2015 because of structural problems with roof. City authorities say it will take nearly 18 months to fix stadium, originally built for 2007 Pan American Games.

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March 6, 2013: Heavy rains flood construction site at Maracana Stadium in Rio de Janeiro, forcing cancellation of FIFA inspection visit to check on renovations for World Cup.

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June 11, 2012: Worker dies when he falls 100 feet during construction of Mane Garrincha stadium in capital of Brasilia.