An Iranian woman takes photos during a protest against women who violate the strict Islamic dress code in Tehran, Iran, on July 12, 2014. Hijab, a coverage of hair and body for women, has been obligated in public after the Islamic revolution in Iran in 1979. (Xinhua/Ahmad Halabisaz)

Iranian women shout slogans during a protest against women who violate the strict Islamic dress code in Tehran, Iran, on July 12, 2014. Hijab, a coverage of hair and body for women, has been obligated in public after the Islamic revolution in Iran in 1979. (Xinhua/Ahmad Halabisaz)

An Iranian woman takes part a protest against women who violate the strict Islamic dress code in Tehran, Iran, on July 12, 2014. Hijab, a coverage of hair and body for women, has been obligated in public after the Islamic revolution in Iran in 1979. (Xinhua/Ahmad Halabisaz)

Iranian women shout slogans during a protest against women who violate the strict Islamic dress code in Tehran, Iran, on July 12, 2014. Hijab, a coverage of hair and body for women, has been obligated in public after the Islamic revolution in Iran in 1979. (Xinhua/Ahmad Halabisaz)

An Iranian woman takes part a protest against women who violate the strict Islamic dress code in Tehran, Iran, on July 12, 2014. Hijab, a coverage of hair and body for women, has been obligated in public after the Islamic revolution in Iran in 1979. (Xinhua/Ahmad Halabisaz)

An Iranian cleric delivers a speech during a protest against women who violate the strict Islamic dress code in Tehran, Iran, on July 12, 2014. Hijab, a coverage of hair and body for women, has been obligated in public after the Islamic revolution in Iran in 1979. (Xinhua/Ahmad Halabisaz)