This harrowing photo belongs to a young girl in Iran. She was arrested at a mixed-gender party [for being in the company of men that she was not related to] and was arrested.
As a punishment, she was sentenced to being lashed.
You can see the effects of these lashes on her back, reads the post on the Iranian protest group My Stealthy Freedom on Facebook.
An Iranian court rules using the strict Islamic penalty code, Sharia law, and according to the law, mixed-gender parties are haram (illegal). The court therefore sentenced her and others at the party to receive ninety nine lashes each.