Tourism in the Republic of Ireland on were built by them. As Dublin Airport is located just outside the city, most international visitors to Ireland begin their stay here. Among the main attractions in Dublin are Dublin Castle, the seat of British rule in Ireland until 1922, Phoenix Park, one of the largest inner city parks in the world, The General Post Office, one of Ireland's most famous buildings due to the 1916 Easter rising, Kilmainham Gaol, a former prison turned museum that held and executed the rebels of the 1916 Rising and Trinity College, where the Book of Kells and the Book of Durrow are
Easter, 1916 figures who eventually led the uprising. The deaths of these revolutionary figures at the hands of the British, however, were as much a shock to Yeats as they were to ordinary Irish people at the time, who did not expect the events to take such a bad turn so soon. Yeats was working through his feelings about the revolutionary movement in this poem, and the insistent refrain that "a terrible beauty is born" turned out to be prescient, as the execution of the leaders of the Easter Rising by the British had the opposite effect to that intended. The killings