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Pope Francis boards a plane for Rome at the airport in Ciudad Juarez, Chihuahua state, Mexico, on February 17, 2016. Throngs gathered at Mexico's border with the United States on Wednesday for a huge mass with Pope Francis highlighting the plight of migrants -- a hot-button issue on the US presidential campaign trail.  AFP PHOTO/ RONALDO SCHEMIDT / AFP / RONALDO SCHEMIDT        (Photo credit should read RONALDO SCHEMIDT/AFP/Getty Images)
Pope Francis boards a plane for Rome at the airport in Ciudad Juarez, Chihuahua state, Mexico, on February 17, 2016. Throngs gathered at Mexico's border with the United States on Wednesday for a huge mass with Pope Francis highlighting the plight of migrants -- a hot-button issue on the US presidential campaign trail.  AFP PHOTO/ RONALDO SCHEMIDT / AFP / RONALDO SCHEMIDT        (Photo credit should read RONALDO SCHEMIDT/AFP/Getty Images)

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El presidente de México Enrique Peña Nieto viajó a Ciudad Juárez para despedir al papa en el hangar del aeropuerto.

Suenan las golondrinas mientras el papa aborda su avión

El presidente de México Enrique Peña Nieto viajó a Ciudad Juárez para despedir al papa en el hangar del aeropuerto.