Graffiti campaign to paint a reproduction targeted the concrete blocks walls in downtown Cairo, After Egypt's ruling military sealed off streets around Cairo's Tahrir Square with walls of imposing concrete blocks, a group of artists decided to reopen the avenues on their own, in the public imagination. Mohamed Mahmoud Graffiti is a collection of graffiti that was painted on several walls in the area surrounding Mohamed Mahmoud street near Tahrir Square in Cairo, Egypt during the 2011 Egyptian revolution.