Continuing with my tour of famous buildings of Dublin on my days off, the next port of call was the An Post Museum situated in a corner of the GPO, which houses the Letters, Lives & Liberty exhibition. This exhibition explores the influence and role in the development of Irish society over the years. From stamps to An Post's copy of the 1916 Proclamation and the story of the staff who were in the GPO on Easter Monday. The GPO is not just the headquarters of the post office, i