Claim:this is a photo of women boxing on a roof circa 1930s
The claim is inaccurate. This is a photo of Radio Pictures Chorus Girls probably practicing for a variety show in 1938.
The boxing scene was most likely staged. Note the dancing shoes, clothing and pairs of maracas.
Source #1: Flickr
Source #2: Rarehistoricalphotos.com
Debunked by @Picpedant on Twitter.
HoaxEye 