Nearly two decades had passed since the Good Friday Agreement, and Northern Ireland was now peaceful, apart from the occasional dissident attack. Yet the society seemed as divided as ever. The borders between Catholic and Protestant neighborhoods were still inscribed in the concertina wire and steel of the so-called peace walls that vein the city, like fissures in a block of marble. In fact, there were more peace walls now than there had ever been at the height of the Troubles.