A Kilkenny-born installation artist, Seamus Nolan, is behind the tranformation of one of the 15-storey towerblocks in the notorious Ballymun council housing estate, due for demolition at the end of spring. Working with Breaking Ground, a group of performance artists, Nolan has created an arthouse hotel, renovating seven double rooms and two singles in the 1960s era building. The graffiti on the towerblock