Here's the section with the British Isles on it, alongside the English translation.
You can see Colchester there. We must have been a big player on the world stage at some point, then.
The cathedral also has a chained library.
I guess this meant that if you wanted to steal a book, you had to do so a page at a time.
Both the chained library and the mappa mundi were smaller than I thought they'd be, but they were impressive.
The £7.50 entrance fee to see them both was larger than I thought it would be, and was unimpressive.
Oh, and in other news, someone has been sending out emails in my name to people on my contacts list. They're easy to spot as not coming from me, but be alert in case they get better.