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Pope Francis greeted members of Circus, which performed during his audience at the Paul VI Hall the Vatican on june 16, 2016 (Photo by Silvia Lore/NurPhoto via Getty Images)

Pope Francis greeted members of Circus, which performed during his audience at the Paul VI Hall  the Vatican on june 16, 2016 (Photo by Silvia Lore/NurPhoto via Getty Images)

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Pope Francis greeted members of Circus, which performed during his audience at the Paul VI Hall the Vatican on june 16, 2016 (Photo by Silvia Lore/NurPhoto via Getty Images)

Pope Francis greeted members of Circus, which performed during his audience at the Paul VI Hall  the Vatican on june 16, 2016 (Photo by Silvia Lore/NurPhoto via Getty Images)

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Pope Francis looks at artists performing during his audience with the participants in the Jubilee of the "World of Travelling Shows" at Paul VI Hall in Vatican City, Vatican on June 16, 2016.(Photo by Giuseppe Ciccia/NurPhoto via Getty Images)

Pope Francis looks at artists performing during his audience with the participants in the Jubilee of the "World of Travelling Shows" at Paul VI Hall in Vatican City, Vatican on June 16, 2016.(Photo by Giuseppe Ciccia/NurPhoto via Getty Images)

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Pope Francis caressing a tiger cub, during his audience at the Paul VI Hall the Vatican on june 16, 2016 (Photo by Silvia Lore/NurPhoto via Getty Images)

Pope Francis caressing a tiger cub, during his audience at the Paul VI Hall  the Vatican on june 16, 2016 (Photo by Silvia Lore/NurPhoto via Getty Images)

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Pope Francis greeted members of Circus, which performed during his audience at the Paul VI Hall the Vatican on june 16, 2016 (Photo by Silvia Lore/NurPhoto via Getty Images)

Pope Francis greeted members of Circus, which performed during his audience at the Paul VI Hall  the Vatican on june 16, 2016 (Photo by Silvia Lore/NurPhoto via Getty Images)