Brazil: Wide shot of a dark broody sky with black clouds obscuring the sun and a hillside silhouetted in the foreground

Time lapse of a lone palm tree and vegetation being consumed into darkness as the sun sets.

Wide shot of wilderbeests and a tree silhouetted in darkness by a yellow sunset.

Wide shot of hills and dark clouds with pond in foreground. Camera pans to reveal factories and chimney smokestacks churning out pollution.

Time-lapse of a large full moon slowly moving across the dark sky with the surface of the moon visible.

Wide shot. A blue sky peeps through a blanket of dark, low clouds that torment a wide lake.

Large full moon in dark sky slowly obscured by black clouds passing by

Hull, UK: General view of the gently glistening waters of the River Humber with concrete barrier in the foreground and ominous dark clouds in the distance.

Thick, dark smoke clouds rise into the sky, above an area of buildings.

Time lapse of a sunset over a loch in Scotland. The lake glows as it catches the passing sunlight. Dramatic clouds consume mountains and plains into darkness.

California, USA: Gentle waves slowly approach sandy beach as rays of sunlight peep out from clouds in dark sky

Wide shot of dark stormclouds in Southern Africa lingering over dry, flat ground. Camera pans to reveal the boundless landscape.

General view of two smoking factory chimneys and factory structure in silhouette against bright orange pink sky at sunset

Close up of smoking factory chimney in silhouette and two trails of black smoke against intense orange sky

Thick smoke clouds and flames rise into the sky.

Mecca, Saudi Arabia: High-angle shot zooming out from two towers to show the floodlit grand mosque in Mecca. Both the mosque and the surrounding area are completely crowded with millions of pilgrims.

Medium close up of grey smoke billowing out of factory chimneys and in to the sky.

Shanghai, China: Static shot of the Shanghai skyline in the evening. The Pudong area is seen, with China's tallest structure, the 468m-tall Oriental Pearl TV Tower, in shot.

Mecca, Saudi Arabia: High-angle shot of the floodlit grand mosque in Mecca. Both the mosque and the surrounding area are completely crowded with millions of pilgrims.

Time-lapse of clouds passing across a full moon. Moonlight reflects on clouds. Night time.

Germany: Static shot of the Brandenburg Gate, which is brightly lit at night.

Thick smoke clouds rise into the sky, above an area of buildings.

Queensland, Australia: Silhouette of two large rocks with white waves and sea seen inbetween

Thick smoke clouds rise into the sky.

Time-lapse over Brooklyn Bridge at night, with the New York City skyline in the distance.

Wide shot of blue sky and clouds. Camera tilts downwards to show brown smoke rising from factory chimneys and turning the sky yellow.

General view of two factory chimneys belching smoke in silhouette and factory structure in urban setting against intense orange sky

Shanghai, China: Static shot of the Shanghai skyline at night. The Pudong area is seen, with China's tallest structure, the 468m-tall Oriental Pearl TV Tower, in shot.

Germany: Shot panning down the Brandenburg Gate, which is brightly lit at night.

London, United Kingdom: Crowds of people exit Wembley Stadium at night.

Wide shot of silhouetted factory chimneys churning out grey smoke into sky, with clouds, smoke and bursts of sunshine, in Quebec.

Time-lapse view of moon rising against black sky, travelling past a statue which is shown in profile. Moon disappears from view.

Abu Dhabi, United Arab Emirates: Spectacular blue fireworks shower over the top of the Emirates Palace.

Shoal of seals swimming underwater, shot from below with the animals silhouetted against the suns reflection on the waters surface.

Hong Kong, China: Panning shot of the Hong Kong skyline at night. The bright lights of the buildings are reflected in the river.

Moscow, Russia: Cars driving in front of a lit up Kremlin at night.

Abu Dhabi, United Arab Emirates: A fireworks display takes place outside the Emirates Palace.

London, England: Static shot of the floodlit House of Parliament at night, as seen from the River Thames.