Revellers celebrate carnival season in Germany

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Two colorful carnival revellers are pictured as they celebrate the start of the carnival season at the Townhall square in Duesseldorf, western Germany, on November 11, 2017. Germany OUT / AFP / dpa / Roland Weihrauch

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Revellers celebrate the start of the carnival season, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent, in Cologne, Germany, November 11, 2017. REUTERS/Thilo Schmuelgen

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A reveller celebrates the start of the carnival season, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent, in Cologne, Germany, November 11, 2017, REUTERS/Thilo Schmuelgen

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A carnival reveller poses for a photo prior to the opening of the carnival season in Cologne, western Germany, Saturday, Nov. 11, 2017. (Rolf Vennenbernd/dpa via AP)

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Revellers celebrate the start of the carnival season, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent, in Cologne, Germany, November 11, 2017, REUTERS/Thilo Schmuelgen

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Revellers celebrate the start of the carnival season, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent, in Cologne, Germany, November 11, 2017, REUTERS/Thilo Schmuelgen

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carnival revellers are pictured as they celebrate the start of the carnival season in front of the Cologne's cathedral (Koelner Dom) in Cologne, western Germany, on November 11, 2017. Germany OUT / AFP / dpa / Rolf Vennenbernd

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Revellers celebrate the start of the carnival season, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent, in Cologne, Germany, November 11, 2017. REUTERS/Thilo Schmuelgen

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Revellers celebrate the start of the carnival season, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent, in Cologne, Germany, November 11, 2017. REUTERS/Thilo Schmuelgen

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Revellers celebrate the start of the carnival season, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent, in Cologne, Germany, November 11, 2017, REUTERS/Thilo Schmuelgen

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Revellers celebrate the start of the carnival season, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent, in Cologne, Germany, November 11, 2017, REUTERS/Thilo Schmuelgen