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Ummmmm - if I wanted to hang anyone, I think I'd use gallows or some other advanced technology which doesn't let them keep their feet on the ground.
Seriously, I think this photo was meant to be cropped at the bottom before being published.
SOURCE: http://www.ushmm.org/uia-cgi/uia_doc/photos/943?hr=null
CAPTION: Two Jews are executed by hanging in Olkusz.
Date: 1940 - 1942
Credit: USHMM, courtesy of Schwartzbaum (hmmm I wonder who this Jew is? Perhaps he's the actual photographer)