

There has been Victorian work in this area in between the dated work; we’ve been told before that the cycle of work on the building means this sort of major work visits every part of the building once every century or so.
We were shown examples of where the Victorian work had used iron wedges and sandstone blocks the deterioration of both of which had contributed to the problems now being addressed. But the most significant engineering feat appears to have been managing to insert this new stone into a flying buttress in 2009.
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