People hold a banner picturing Gambia's opposition candidate Adama Barrow as they celebrate his victory during the Presidential Elections on December 2, 2016, in Serekunda, Banjul. The impoverished west African nation of Gambia is set for a rare handover of power after long-serving President Yahya Jammeh suffered a shock defeat at the polls. Rights bodies and media watchdogs accuse Jammeh of cultivating a "pervasive climate of fear" during his 22 years in office and of crushing dissent against his regime. / AFP / MARCO LONGARI (Photo credit should read MARCO LONGARI/AFP/Getty Images)