An electoral agent checks on voters roll as Zambians queue to cast their ballots for the Zambian Presidential elections at Kanyama primary in Lusaka on January 20, 2015. Polling opened in Zambia's tightly contested vote to elect a president after a ruling party power struggle following the death of Michael Sata in office last year. AFP PHOTO / GIANLUIGI GUERCIA (Photo credit should read GIANLUIGI GUERCIA/AFP/Getty Images)
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