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Former Olympic gold medalist and professional wrestler Kurt Angle holds up a T-shirt during a three-nation wrestling exhibition at Grand Central Terminal on Wednesday, May 15, 2013, in New York. The event dubbed “The Rumble on the Rails” marked the fourth straight year a New York City landmark was transformed into a wrestling meet to raise money for charity, with the last two in Times Square. In February, the International Olympic Committee recommended that the sport be dropped starting with the 2020 Games. (AP Photo)

Former Olympic gold medalist and professional wrestler Kurt Angle holds up a T-shirt during a three-nation wrestling exhibition at Grand Central Terminal on Wednesday, May 15, 2013, in New York. The event dubbed “The Rumble on the Rails” marked the fourth straight year a New York City landmark was transformed into a wrestling meet to raise money for charity, with the last two in Times Square. In February, the International Olympic Committee recommended that the sport be dropped starting with the 2020 Games. (AP Photo)

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U.S. freestyle wrestler Obe Blanc, top, and Iran’s Hassan Rahimi kick off an international wrestling exhibition at Grand Central Terminal on Wednesday, May 15, 2013, in New York. Rahami was declared the winner in the bout. The event dubbed “The Rumble on the Rails” raised money for wrestling nonprofit Beat the Streets but took on added significance because of the International Olympic Committee’s recent recommendation to drop the sport starting with the 2020 Games. (AP Photo)

U.S. freestyle wrestler Obe Blanc, top, and Iran’s Hassan Rahimi kick off an international wrestling exhibition at Grand Central Terminal on Wednesday, May 15, 2013, in New York. Rahami was declared the winner in the bout. The event dubbed “The Rumble on the Rails” raised money for wrestling nonprofit Beat the Streets but took on added significance because of the International Olympic Committee’s recent recommendation to drop the sport starting with the 2020 Games. (AP Photo)

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Workers install seats before a visit of the FIFA Secretary General Jerome Valcke at the Maracana stadium in Rio de Janeiro, Brazil on May 15, 2013. The Maracana stadium will host the upcomig Confederations Cup —next June—, the Brazil 2014 FIFA World Cup and the 2016 Summer Olympics. (Getty Images)

Workers install seats before a visit of the FIFA Secretary General Jerome Valcke at the Maracana stadium in Rio de Janeiro, Brazil on May 15, 2013. The Maracana stadium will host the upcomig Confederations Cup —next June—, the Brazil 2014 FIFA World Cup and the 2016 Summer Olympics. (Getty Images)

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Aerial view taken on May 10, 2013 of the site of the future Olympic Park being constructed for the 2016 Games to be held in Rio de Janeiro, Brazil. The development of mass transit projects, the modernization of the city’s port area and the construction of the Olympic village are all viewed as a source of concern as the clock ticks down. (Getty Images)

Aerial view taken on May 10, 2013 of the site of the future Olympic Park being constructed for the 2016 Games to be held in Rio de Janeiro, Brazil. The development of mass transit projects, the modernization of the city’s port area and the construction of the Olympic village are all viewed as a source of concern as the clock ticks down. (Getty Images)

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Aerial view of the Christ the Redeemer statue atop Corcovado Hill and the Mario Filho (Maracana) stadium in Rio de Janeiro, Brazil on May 10, 2013. The Maracana stadium will host the upcomig Confederations Cup next June, the Brazil 2014 FIFA World Cup and the 2016 Summer Olympics. (Getty Images)

Aerial view of the Christ the Redeemer statue atop Corcovado Hill and the Mario Filho (Maracana) stadium in Rio de Janeiro, Brazil on May 10, 2013. The Maracana stadium will host the upcomig Confederations Cup next June, the Brazil 2014 FIFA World Cup and the 2016 Summer Olympics. (Getty Images)

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President of German Olympic Sports Confederation Thomas Bach announces his candidacy for President of International Olympic Committee in Frankfurt, Germany, Thursday, May 9, 2013. (AP Photo)

President of German Olympic Sports Confederation Thomas Bach announces his candidacy for President of International Olympic Committee in Frankfurt, Germany, Thursday, May 9, 2013. (AP Photo)

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Dancers perform during Pyeongchang Olympic emblem launch ceremony in Seoul, South Korea, Friday, May 3, 2013. The emblem for the 2018 winter Olympics to be held in the South Korean alpine town of Pyeongchang was unveiled Friday, celebrating winter sports and their athletes with a design inspired by letters of the Korean alphabet and traditional colors. (AP Photo)

Dancers perform during Pyeongchang Olympic emblem launch ceremony in Seoul, South Korea, Friday, May 3, 2013. The emblem for the 2018 winter Olympics to be held in the South Korean alpine town of Pyeongchang was unveiled Friday, celebrating winter sports and their athletes with a design inspired by letters of the Korean alphabet and traditional colors. (AP Photo)