The Shaftesbury Avenue reference article from the English Wikipedia on 24-Apr-2004
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Shaftesbury Avenue

Shaftesbury Avenue is a major London street, named after Anthony Ashley Cooper, 7th Earl of Shaftesbury, that runs in a north-easterly direction from Piccadilly Circus to New Oxford Street, crossing Charing Cross Road at Cambridge Circus.

It is generally considered the heart of London's West End theatre district.