Geograph - photograph every grid square

Grade I listed buildings and structures are of exceptional, even international importance. There are over 6,000 in the country. Only 2.5% of listed buildings are Grade I listed.
In Scotland the classification is Category A
Index: Link

Christ's College is a constituent college of the University of Cambridge. The student body divides into roughly 430 undergraduates and 170 postgraduates. The college was founded by Lady Margaret Beaufort in 1505, and was the twelfth of the current colleges to be founded in its current form, though it had been previously founded as God's House in 1437.
The main part of the college is Grade I listed.
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St Andrew's Street is a major street in central Cambridge. It runs between Sidney Street, at the junction with Hobson Street, to the northwest and Regent Street to the southeast. Downing Street leads off to the west.
On the northeastern side of the street are Christ's College and Emmanuel College. On the southwestern side are St Andrew the Great church and St Andrew's Street Baptist Church.