This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
German plane bombing Warsaw . German Heinkel He airplanes bombing Warsaw Poland in See also higher quality photo iplsc Niemieckie bombowce Heinkel He zrzucaj bomby na Warszaw Wrzesie cite book Jerzy Piorkowski Miasto Nieujarzmione Iskry Warszawa no ISBN cite book Andrzej Leszek Szczeniak Historia dla Klasy VIII Wydawnictwo