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Polish resisters climb up from sewer holes, used for fighting and escaping during the 1944 Warsaw Uprising Photo credit: David W. Allen

Polish resisters climb up from sewer holes, used for fighting and escaping during the 1944 Warsaw Uprising
Photo credit: David W. Allen

Polish resisters climb up from sewer holes, used for fighting and escaping during the 1944 Warsaw Uprising
Photo credit: David W. Allen

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