Two years in the life of Tahrir Square
Cairo's Tahrir - or Liberation - Square has been the focal point for tens of thousands of protesters rallying first against the regime of Egypt's then president Hosni Mubarak and later his successor Islamist President Mohammed Morsi.
Play the slideshow to see the ebb and flow of demonstrators to and from the square from the "Day of Departure" protests on 4 February 2011 to Friday's mass gatherings, more than two years later.
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Images courtesy: AFP, Getty Images, Reuters
Music by Richard Anstey
Slideshow production by Phil Coomes and Lucy Rodgers
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