A firefighter's 1943 photos of the Warsaw Ghetto uprising have been found

This handout negative dated on April 20, 1943, and taken by Polish firefighter Zbigniew Leszek Grzywaczewski shows Jewish people being evacuated from the Warsaw Ghetto. (Z. L. Grzywaczewski/Maciej Grzywaczewski/POLIN Museum via AP)

WARSAW, Poland — Warsaw's Jewish history museum on Wednesday presented a group of photographs taken in secret during the Warsaw Ghetto Uprising of 1943, some of which have never been seen before, that were recently discovered in a family collection.

The POLIN Museum of the History of Polish Jews described the discovery of negatives with some 20 never-seen images as important discovery.