Zimbabwe's incumbent President and presidential candidate of Zimbabwe African National Union-Patriotic Front (Zanu-PF) Robert Mugabe (R, front) shows his finger after casting his ballot at a polling station in Harare, capital of Zimbabwe, July 31, 2013. Robert Mugabe, Africa's oldest leader at 89, said Wednesday that he will serve a full five-year term if re-elected into the office. A total of 6.4 million registered voters in Zimbabwe lined up to cast their ballots at 9,735 polling stations on Wednesday to choose a president, legislators and local councilors. (Xinhua/Meng Chenguang)