friday prayers

An Iranian girl stands amongst worshiper...An Iranian girl stands amongst worshipers during the weekly Muslim Friday prayers at Tehran University in the Iranian capital on May 31, 2013. AFP PHOTO/BEHROUZ MEHRIBEHROUZ MEHRI/AFP/Getty Images

Behrouz Mehribehrouz Mehri/AFP/Getty Images

An Iranian girl stands amongst worshipers during the weekly Muslim Friday prayers at Tehran University in the Iranian capital today.

An Iranian boy stands among worshippers during the weekly Muslim Friday prayers at Tehran University in the Iranian capital on May 10, 2013.

Behrouz Mehri/AFP

An Iranian boy stands among worshippers during the weekly Muslim Friday prayers at Tehran University in the Iranian capital