Close shot of blue and white cordon tape with the words 'Police' on it, fluttering in wind against blurred background

Sequence showing various views of the Thames Flood Barriers on the River Thames in London, including long view of the Millennium Dome and the gleaming steel roofs of the barriers in winter sunshine

Sharp spines poking out from a cactus' green skin, camera re-focusses to show more spines in the foreground.

A fighter jet takes off from USS John C Stennis air carrier at sea.

An armed guard carrying a machine gun guarding USS Forrest Sherman destroyer vessel. The guard walks out of the shot.

Afghanistan: Wide shot of five Canadian troops walking along a sandy path next to civilian housing. Back view of the legs and feet of a serviceman walking along rough ground. Three servicemen patrolling around civilian houses in Kandahar Province.

A Woolly monkey hides behind a thick branch, looking around suspiciously. It then moves onto a nearby branch, with its baby hanging from its back.

Silhouette of two Thames barrier structures in foreground on the River Thames at Docklands, London at sunset. Canary Wharf buildings can be seen in the background against an intense orange sky with bright sunlight reflected on the water

Louisiana, USA: Air to Air shot of a Blackhawk helicopter delivering sand for a breakwater.

Los Angeles, USA: LA skyline and its skyscrapers seen through a loop of barb wire.

Sharp spines poking out from a cactus' green skin.

Two unidentifiable lifeguards looking through binoculars from a lifeguard tower on Venice Beach, Los Angeles, California, USA.

Back view of a bodyguard in a black suit and an earpiece walking by a fountain.

Policeman's hat on counter in police station with back view of male British police officer standing at desk in background

A Woolly monkey climbs onto a thick branch. Its baby is clinging onto it. The monkey moves along the branch.