The video appears to have been recorded earlier this year with a cellphone.
A Cellphone Takes You Inside An Iranian Prison
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Persian Letters is a blog that offers a window into Iranian politics and society. Written primarily by Golnaz Esfandiari, Persian Letters brings you under-reported stories, insight and analysis, as well as guest Iranian bloggers -- from clerics, anarchists, feminists, Basij members, to bus drivers. Follow @GEsfandiari