BUENOS AIRES, ARGENTINA - MAY 14: A drone remote-controlledee carrying a cloth simulating a ghost with the letter B on it is seen while players of River Plate wait after the match was delayed because a tear gas bomb during a second leg match between Boca Juniors and River Plate as part of round of sixteen of Copa Bridgestone Libertadores 2015 at Alberto J. Armando Stadium on May 14, 2015 in Buenos Aires, Argentina. (Photo by Amilcar Orfali/LatinContent via Getty Images)
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LatinContent WO Amilcar Orfali