Zimbabwe's President Robert Mugabe addresses the ZANU-PF party's top decision making body, the Politburo, in the capital Harare, February 10, 2016. Mugabe, the only leader that Zimbabwe has ever known, turns 92 this month amid escalating tensions within his ruling ZANU-PF party over who will eventually succeed him. REUTERS/Philimon Bulawayo TPX IMAGES OF THE DAY - RTX26CYU