The campanile is of course a bell tower, finished in 1853 and designed by the famous architect Charles Lanyon. A bell tower has existed on the site since before the foundation of the university as this part of Dublin was, prior to 1592, a monastery.
Seen here is the belfry, encircled with Corinthian columns, below surrounded by four statues to Divinity, Science, Medicine and Law.
There are two smaller domes above and a cross on top.
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