Egyptian demonstrators burn an Israeli flag during a protest outside the Israeli embassy in Cairo on August 20, 2011.
- [KHALED DESOUKI/AFP/Getty Images]

An Egyptian man shows the sole of his shoe painted with an Israeli flag during a protest outside the Israeli embassy in Cairo on August 21, 2011.
- [KHALED DESOUKI/AFP/Getty Images]

An Egyptian protester hits a makeshift Israeli flag with his shoe after it was set alight during a demonstration outside the Israeli embassy in Cairo on May 15, 2011.
- [-/AFP/Getty Images]

Egyptian protesters gather outside the Israeli embassy in Cairo late on August 26, 2011, demanding the ambassador's expulsion, after five Egyptian policemen were killed along the border with Israel last week.
- [-/AFP/Getty Images]

Egyptian students from Cairo University wave the Palestinian (L) and Egyptian (C) flags as they demonstrate in front of the Israeli embassy in the Egyptian capital on April 27, 2011 demanding Egypt sever ties with and end gas exports to the Jewish state.
- [KHALED DESOUKI/AFP/Getty Images]