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:
Wojska balonowe II RP. pl onierze jednostki balonowej podczas przygotowania balonu obserwacyjnego do startu before audiovis nac gov pl Narodowe Archiwum Cyfrowe Sygnatura Polish National Digital Archive Witold Pikiel Custom marker PDold Uploaded with Military observation balloons Military of Second Polish Republic Photographs