Azzurrii (blue) Santa Croce supporters light flares before the Calcio Fiorentino (historic football) semifinal match against Bianchi (white) Santo Spirito at Santa Croce Square in Florence, Italy, June 11, 2017. Giovanni de' Bardi published the rules of the game in 1580, which is played on a field of sand by 27 players allowed to use feet and hands to play the ball. (Photo by Alessandro Bianchi/Reuters)
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