Egypt: The revolution in graffiti

Graffiti is suddenly all over Cairo - on schools, on telephone exchange boxes, on empty walls and corrugated fencing around building sites, reports the New Yorker magazine. 'Daubs of slogans, finely rendered panoramas of Tahrir Square, and, increasingly, the kind of biting satire and subversion...' There's a great gallery of the graffiti at the top of this article, with 25 scrollable images.