A man carries bags of his belongings up North University Avenue in Lafayette.

Taken in 1892, Jacob A. Riis called this photo 'Minding the Baby, Cherry Hill,' a snapshot of the poverty in which many immigrants lived in New York.

Jacob A. Riis' gritty photos brought to light the poverty in which many immigrants lived in New York. He called this shot, taken around 1888-8…

With his stark photos of the destitute circumstances in which people lived in the early 1890s in New York, Jacob A. Riis influenced social ref…

Jacob A. Riis' photo called 'I Scrubs' shows Little Katie from the New York's West 52nd Street Industrial School in the early 1890s.

Called 'Poverty Gap,' this photo by Jacob A. Riis, taken between 1888 and 1889, brought to light the incredible poverty of immigrants in New Y…

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The Rev. Michael Duffy hangs out food tickets for lunch outside the St. Francis Inn in Philadelphia, Pa. on June 8, 2018. (David Maialetti/Phi…

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Bill Long, 71, organizes boxes of food at the St. Francis Inn in Philadelphia, Pa. on June 8, 2018. (David Maialetti/Philadelphia Inquirer/TNS…