http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=459200&in_page_id=1770

Big Brother's watching: The secret CCTV bunker that monitors our every move

Last updated at 13:17pm on 1st June 2007 Comments (9)
In a bunker beneath the bustling streets of central London, guards monitor a grid of closed-circuit television.

The centre, at a secret location, is run by a private company in association with the police and local council.
Polls show broad public acceptance, even if the cameras more often capture a couple in loving embrace than a terrorist about to wreak havoc.