Iranians burn a US  flag outside the former US embassy in Tehran on November 4, 2015, during a demonstration marking the anniversary of its storming by student protesters that triggered a hostage crisis in 1979. Thousands of Iranians took part in the demonstration, 36 years after the event that lasted for 444 days, during which "Death to America" and "Death to Israel" were among the slogans that were shouted.     AFP PHOTO / ATTA KENARE        (Photo credit should read ATTA KENARE/AFP/Getty Images)