Activists and demonstrators against Egyptian President Mohamed Mursi perform a new dance craze, the "Harlem Shake", in front of the Muslim Brotherhood's national headquarters in Cairo's Moqattam district February 28, 2013. EUTERS/Amr Abdallah Dalsh (EGYPT - Tags: POLITICS CIVIL UNREST SOCIETY)
Activists and demonstrators against Egyptian President Mohamed Mursi perform a new dance craze, the "Harlem Shake", in front of the Muslim Brotherhood's national headquarters in Cairo's Moqattam district February 28, 2013. EUTERS/Amr Abdallah Dalsh (EGYPT - Tags: POLITICS CIVIL UNREST SOCIETY)