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FATIMA, PORTUGAL - MAY 13: Crowds of worshippers gather during a mass with Pope Francis at the Sanctuary of Fatima on May 13, 2017 in Fatima, Portugal. Pope Francis is attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto, who are said to have witnessed the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, 100 years ago. Thousands of pilgrims and worshippers from around the world are gathering for the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)

FATIMA, PORTUGAL - MAY 13: Crowds of worshippers gather during a mass with Pope Francis at the Sanctuary of Fatima on May 13, 2017 in Fatima, Portugal. Pope Francis is attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto, who are said to have witnessed the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, 100 years ago. Thousands of pilgrims and worshippers from around the world are gathering for the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)
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FATIMA, PORTUGAL - MAY 13: Pope Francis approaches a figure representing Our Lady Of Fatima during a mass at the Sanctuary of Fatima on May 13, 2017 in Fatima, Portugal. Pope Francis is attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto, who are said to have witnessed the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, 100 years ago. Thousands of pilgrims and worshippers from around the world are gathering for the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)

FATIMA, PORTUGAL - MAY 13: Pope Francis approaches a figure representing Our Lady Of Fatima during a mass at the Sanctuary of Fatima on May 13, 2017 in Fatima, Portugal. Pope Francis is attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto, who are said to have witnessed the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, 100 years ago. Thousands of pilgrims and worshippers from around the world are gathering for the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)
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FATIMA, PORTUGAL - MAY 12: Pope Francis waves his hand as he leaves the Sanctuary of Fatima on May 12, 2017 in Fatima, Portugal. Pope Francis will be attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto, who are said to have witnessed the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, during the 100 anniversary. Thousands of pilgrims and worshippers from around the world are expected to gather at the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)

FATIMA, PORTUGAL - MAY 12: Pope Francis waves his hand as he leaves the Sanctuary of Fatima on May 12, 2017 in Fatima, Portugal. Pope Francis will be attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto, who are said to have witnessed the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, during the 100 anniversary. Thousands of pilgrims and worshippers from around the world are expected to gather at the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)
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FATIMA, PORTUGAL - MAY 12: Pope Francis waves his hand as he arrives for the Blessing for the Candles in the Sanctuary of Fatima on May 12, 2017 in Fatima, Portugal. Pope Francis will be attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto. It is said they were witnesses to the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, during the 100 anniversary. Thousands of pilgrims and worshippers from around the world are expected to gather at the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)

FATIMA, PORTUGAL - MAY 12: Pope Francis waves his hand as he arrives for the Blessing for the Candles in the Sanctuary of Fatima on May 12, 2017 in Fatima, Portugal. Pope Francis will be attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto. It is said they were witnesses to the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, during the 100 anniversary. Thousands of pilgrims and worshippers from around the world are expected to gather at the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)
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FATIMA, PORTUGAL - MAY 13: Pope Francis arrives for a mass at the Sanctuary of Fatima on May 13, 2017 in Fatima, Portugal. Pope Francis is attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto, who are said to have witnessed the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, 100 years ago. Thousands of pilgrims and worshippers from around the world are gathering for the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)

FATIMA, PORTUGAL - MAY 13: Pope Francis arrives for a mass at the Sanctuary of Fatima on May 13, 2017 in Fatima, Portugal. Pope Francis is attending the Sanctuary of Fatima, in Portugal, on May 12 and 13 to canonize two Portuguese shepherds, Jacinta and Francisco Marto, who are said to have witnessed the apparition of what they believed was the Virgin Mary, together with their aunt Lucia Santos, 100 years ago. Thousands of pilgrims and worshippers from around the world are gathering for the centenary celebration. (Photo by Pablo Blazquez Dominguez/Getty Images)
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Getty Images News Pablo Blazquez Dominguez