Rows of empty chairs and tables to be used for examinations in school gym

Carlisle, United Kingdom: Aerial view of housing estates showing network of streets, roads and rows of houses.

Camera pans along rows of empty exam tables in school gym

Najaf, Iraq: A row of graves in the Valley of Peace Cemetery in the Holy City of Najaf. Flags wave in the wind over the graves.

Black and white shot of several tractors moving in a row through muddy fields, pulling ploughs behind them.

View looking down onto rows of exam tables in school hall as teachers put exam papers down on desks

A row of newspapers shuttles along a conveyor belt inside a factory. The newspapers are the morning edition of Gazeta Wyborcza Daily in Poland.

Hand held camera moves along rows of empty exam tables in school gym imitating child's eye-view as if looking for desk

General wide view of synchronised dance display, part of Arirang celebrations in the May Day stadium in Pyongyang, North Korea, the backdrop shows sun rising from mountains

Cairo, Egypt: Three boats of different colours sail closely together along the river Nile.

Close up view of a seismograph machine drawing a slightly wobbly line on a paper.

Back view of lines of pupils sat at tables during exam in school hall as male teacher walks amongst desks

Israel: Static shot of a cemetery in Israel where soldiers from British-led forces are buried.

Left to right pan across a green-glassed building in Beijing, People's Republic of China.

Close view of grooves (ridges) on underside of Blue Whale swimming slowly past camera underwater, whale partially breaks through surface of water

Right to left pan across a green-glassed building in Beijing, People's Republic of China.

South Africa: Presidential ceremonial guards standing to attention and changing gun positions.

Hundreds of newspapers shuttle along a conveyor belt inside a factory.

Black and white shot of several tractors moving through muddy fields, pulling ploughs behind them.

Israel: Tracking shot of a cemetery in Israel where soldiers from British-led forces are buried.

Cairo, Egypt: Three boats of different colours sail along the river Nile.

A marching band, featuring drummers and pipers, pass along a road.

A herd of wildebeests wading into the river Nile and drinking from it.