'Erase and I will draw again': the struggle behind Cairo's revolutionary graffiti wall

The graffiti murals that sprang up on the walls of Cairo were a spontaneous reaction to Egypt’s revolution. But, despite their cultural importance, they’re being demolished in an attempt to clean up the city ... or is it to erase the past?Ammar Abo Bakr came for the revolution, and stayed for the graffiti. On 25 January 2011, the fine art professor was sitting at home in Luxor when he saw YouTube videos of protests gathering in Tahrir Square. Two hours later, he was on the train to C