An Egyptian whirling dervish dances with a &quot;tanoura&quot; (multicolored skirt) as people gather with national flags outside polling stations during a referendum on constitutional amendments, at a school in the Haram district in the capital Cairo&#039;s western twin city of Giza, on the first day of a three-day poll, on April 20, 2019, with a poster showing President Abdel-Fattah al-Sissi next to slogans urging people to vote.  (MOHAMED EL-SHAHED / AFP)