Associated with gangs and wasted youth abroad, graffiti in Cairo has taken up the mantle of resistance and the true embodiment of freedom of expression, with youths in particular risking everything to express their discontent with the course of the Egyptian revolution. Scenes depicting brutality and calls to action litter the back alleys and dark areas of the city.

In just three sentences on a large wall in Cairo, the artist sums up the evolution of the Egyptian revolt: "2011, Down with Mubarak's rule. 2012, Down with military rule. 2013, Down with Brotherhood rule."

Since the start of the popular uprising that toppled Hosni Mubarak, street art has become the newest form of alternative media, documenting events, struggles, highs and lows with political messages that are as gutsy as they are colourful.

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