Danny Devenny is perhaps the most prolific Irish muralist , having produced over 1500 murals . He is a former Irish Republican Army (IRA) prisoner . He was arrested in 1973 while robbing a bank in Carryduff for the IRA , wounded in this incident , he spent time in Musgrave Military Hospital before being sent to Crumlin Road Jail and then Long Kesh Concentration Camp . Murals depicting the region's past and present political and religious divisions . Divis street . Belfast city . County Antrim . Ulster . Northern Ireland . United Kingdom .