London, UK: BT Tower in silhouette against the evening skyline at sunset

Berlin, Germany: Close view of section of the glass and metal dome on top of the Reichstag parliament building, silhouettes of people can be seen walking around inside.

Darwin Beach, Australia: Silhouette of romantic couple standing close together on beach talking whilst looking at sunset in distance

Unknown location: Gently rippling sea seen through silhouettes of palm trees blowing in breeze on tropical island

Unknown location: Glistening sea seen through silhouettes of palm trees on tropical island

Seychelles: Silhouette of men paddling in canoe on sea against orange sky at dusk

Afghanistan: Wide view of sun setting in a cloudless sky, pull back to reveal silhouette of machine gun.

Darwin Beach, Australia: Silhouette of romantic couple standing close together looking at sunset in distance under palm tree blowing in breeze on beach

Berlin, Germany: Long view of skyline of city in silhouette against pink and blue sky at sunset including the Fernsehturm TV Tower seen in far distance.

Madagascar: Silhouette of palm tree with waves gently lapping onto beach at sunset

The Maldives: Silhouette of palm tree against orange sky with sun setting

Darwin Beach, Australia: Silhouettes of man running and group of three people walking along beach with reflections of sunset on shore

Rome, Italy: Cityscape and skyline seen at night against dark blue sky with silhouette of trees and yellow glowing lantern in the foreground, the dome of St Peter's Basilica (Basilica di San Pietro in Vaticano) can be seen in the distance.

Rome, Italy: Dramatic general view of Piazza della Repubblica in silhouette with traffic travelling around fountain called Fontana delle Naiadi.

Berlin, Germany: Skyline of city in silhouette against pink and blue sky at sunset including the Fernsehturm TV Tower.

Greenwich, London: Figurehead and chains at front of Cutty Sark tea clipper ship silhouetted against sun (before recent fire damage) then image dissolves to long general view of ship in silhouette including the three masts with rigging attached

Rome, Italy: Close view of waternymph sculptures on fountain called Fontana delle Naiadi in Piazza della Repubblica in silhouette with water spraying onto them.

Unknown location: Silhouettes of tall palm trees with orange sun setting through trees blowing in the breeze

Rome, Italy: Camera pans across Piazza della Republica, seen in silhouette, with Fontana delle Naiadi in background and traffic along.

Rome, Italy: Silhouette of church dome of St Peter's Basilica (Basilica di San Pietro in Vaticano) on city skyline against orange sky of sunset with sun above dome.

Silhouette of a California sea lion posing underwater. The sun can be seen through the water's surface.

Unknown location: Orange setting sun seen through silhouettes of palm trees blowing in the breeze

Silhouettes of palm trees on tropical Island in the Seychelles at sunset

Berlin, Germany: General view of the Siegess�ƒ¤ule victory column, virtually seen in silhouette, at dusk with traffic driving past.

Rome, Italy: Silhouette of rooftops at sunset including dome of church building, television aerials and trees on the skyline against orange sky of sunset with small birds flying around.

Rome, Italy: River Tiber and part of city sklyline seen through silhouette of wrought ironwork bridge railings in foreground at early evening.

Paris, France: View over statue in foreground showing sunlight reflecting on glistening water on the River Seine with silhouette of the Eiffel Tower in the distance on bright sunny day

Berlin, Germany: Dramatic view of the Brandenburg Gate in silhouette against clear sky with sun shining brightly and cyclists passing under it.

Berlin, Germany: Camera pans from dramatic low-angled silhouette of glass and metal roof down to front exterior of Hauptbahnhof railway station with motorbikes parked infront and people milling about.

Arizona, USA: Silhouette of chain gang members (prisoners / criminals) against blue and yellow sky. Feet and legs of chain gang

Paris, France: View over statue in foreground showing pleasure boat cruising along glistening water on the River Seine with silhouette of the Eiffel Tower in the distance on bright sunny day

The Maldives: Silhouette of palm tree leaf against orange sky with sun setting

Berlin, Germany: Skyline of city in silhouette against pink and blue sky at sunset including the Fernsehturm TV Tower.

Rome, Italy: Silhouette of ornate lantern hanging in St Peter's Square against blue sky then camera zooms out to show view through stone pillars of building on St Peter's Square in Vatican City including obelisk.

London, England: Blurred image of Pedestrians' feet along on Millennium Bridge in silhouette

Rome, Italy: Silhouette of St Angelo's Bridge (Ponte Sant'Angelo) seen against early evening sky.

The Maldives: Silhouette of palm trees at edge of rippling infinity swimming pool at dusk with rays of sunlight emanating from setting sun

Banc d'Arguin, Mauritania: Orange sun setting with silhouettes of birds crossing it

Rome, Italy: Silhouette of church dome of St Peter's Basilica (Basilica di San Pietro in Vaticano) and skyline of Rome against sky at sunset seen through clouds.

Rome, Italy: Silhouette of church dome of St. Peter's Basilica (Basilica di San Pietro in Vaticano) against dark orange sky at dusk as birds circle around dome.

Berlin, Germany: Side view of bronzes sculptures, alomost in silhouette, of three naked females sitting on wall by River Spree in evening sun, close view of head of one female.

Seychelles: Silhouette of palm tree on beach with gentle waves lapping the shore at sunset

The Maldives: Silhouette of palm trees at edge of rippling infinity swimming pool at dusk, person is seen swimming past

The Seychelles: Sunlight glistening on rippling sea, seen behind silhouette of palm tree on beach of tropical island

Berlin, Germany: Dramatic view of the Brandenburg Gate silhouetted against clear sky with sun shining brightly.

London, England: General views of lake in Hyde Park at sunrise including person swimming, swan, and people silhoutted on jetty.

Cuba: General views of group of young men exercising (martial arts / kickboxing) silhouetted against sea and sky

Kent, England: Various shots of hot air balloons floating into sky and silhouetted against the sun at the start of Cross-Channel record attempt.

Lesotho, Africa: Side view of a partly silhouetted Hippopotamus standing in a lake and eating grass from the bank.

London, England: Static shot of the silhouetted Houses of Parliament, as seen from across the River Thames. There is blue sky overhead.