10-08-2006 - CCTV control centre with a worker watching the public on multiple screens, Tower Hamlets, London © Marco Secchi

08-07-2005 - Staff at Centrecom, the London bus traffic control centre in Victoria. An increased number of suspect packages were reported the day after four bombs disrupted the transport network. © Geoff Crawford

20-11-2004 - The CCTV control centre, Wells Somerset. © Paul Box

20-11-2004 - The CCTV control centre, Wells Somerset. © Paul Box

20-11-2004 - The CCTV control centre, Wells Somerset. © Paul Box

20-11-2004 - The CCTV control centre, Wells Somerset. © Paul Box

20-11-2004 - The CCTV control centre, Wells Somerset. © Paul Box

13-08-2004 - Underground passengers on CCTV surveillance monitors at Highbury & Islington underground station. © Geoff Crawford

13-04-2004 - Metropolitan police officer undertaking desk duties at the Transport Operational Command Unit, policing London transport system © Stefano Cagnoni

13-04-2004 - Metropolitan police officer undertaking desk duties at the Transport Operational Command Unit policing London transport system © Stefano Cagnoni

13-04-2004 - Metropolitan police officer undertaking desk duties at the Transport Operational Command Unit policing London transport system © Stefano Cagnoni

13-04-2004 - Metropolitan police officer undertaking desk duties at the Transport Operational Command Unit policing London transport system © Stefano Cagnoni

01-10-2003 - Concierge working in the entrance lobby of one of the regenerated housing blocks on the Broadwater Farm estate © Stefano Cagnoni

16-06-2003 - Recordings from CCTV cameras being viewed by security guards © Stefano Cagnoni

16-06-2003 - Recordings from CCTV cameras as viewed by security guards © Stefano Cagnoni

15-10-2002 - Traffic control using CCTV cameras to monitor congestion by a local authority highway department © David Bocking

15-10-2002 - Traffic control using CCTV cameras to monitor congestion by a local authority highway department © David Bocking

15-10-2002 - Traffic control using CCTV cameras to monitor congestion by a local authority highway department © David Bocking