The Argentine pontiff, who is wrapping up his three-country tour of South America, has made defending the poor a major theme of his "homecoming" trip, which also took him to Ecuador and Bolivia, ranked among Latin America's poorest countries.
Pope Francis' Visit to Latin America

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Youths sing and dance as they wait for the arrival of Pope Francis in Asuncion, Paraguay, July 12, 2015.

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Pope Francis arrives to meet with youths in Asuncion, July 12, 2015.

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Pope Francis arrives at Ycua Bolanos supermarket, where more than 300 people died in a fire in 2004, in Asuncion, July 12, 2015.

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Pope Francis waves as he leaves the prison of Palmasola in Santa Cruz, Bolivia July 10, 2015.