Inside the Cathedral - look up by sourbugger
It's worth taking a tour of Peterborough cathedral - 2pm (11.30 Am Weds) in the summer. If you have a group then any reasonable time can be arranged.Of particular interest are the two main ceilings.
The main one in the nave is the original wooden ceiling, the only one of its type in this country and one of only four wooden ceilings of this period surviving in the whole of Europe, having been completed between 1230 and 1250. It has been over-painted twice, but retains its original style and pattern. It is not wholly religious as there are references to witchcraft and other such foul fiends !
The fluted ceiling at the far end of the Cathedral is from much later. It's quite interesting that the ceiling at King's college in Cambridge (a world heritage site no less) is actually a copy of this one, done on a larger scale.