Egypt's revolution, one year on (Carsten Koall/Getty Images News/Getty Images)

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It is one year since Egypt's dictatorial president of 30 years, Hosni Mubarak, was forced from office by a popular uprising that became one of the defining moments of the Arab Spring - the wave of revolutions that spread across the Arab world in 2011. Here, we look at what has happened in Egypt in the 12 months since those iconic scenes in Tahrir Square.