Colonisation and decolonisation

The colonising powers´ colours were wiped off the map by the nations fighting to regain their independence.

Dromedary

The dromedary is an indispensable animal for inhabitants of the deserts.

Oil refinery

The products of oil refining include diesel oil, petrol and lubricants.

Solar power station

Solar power stations convert solar energy into electricity.

Metropolises

A metropolis is a large city with a population of over 1 million people.

Electricity supply network

The purpose of the electricity supply network is to provide electricity for consumers.

Space Shuttle

The Space Shuttle was a manned, reusable spacecraft operated by NASA.

Satellite types

Satellites orbiting the Earth can be used for civilian or military purposes.

Meteorological instruments

This animation demonstrates instruments used to examine atmospheric phenomena.

The Channel Tunnel

The Channel Tunnel is a 50.5 km long railway tunnel between the United Kingdom and France, beneath the English Channel.

Time zones

The Earth is divided into 24 time zones. Standard time is the time used within time zones.

House without carbon-dioxide emission

The design and structure of modern houses play an important role in environmental protection.

Voyager space probes

The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.

Ferrous metallurgy (intermediate)

Raw iron is produced from iron ore in iron smelters.

Sewage treatment plant

Treated sewage water can be used in agriculture and industry.

Open-cast mine

As opposed to underground mines, in open-pit mines the layers covering coal are removed, coal is extracted on the surface.

Tidal power station

Tidal power stations utilise the daily fluctuation of the water level for producing electricity.

Hero’s aeolipile

Hero of Alexandria is the inventor of the first steam engine, although he regarded it as an entertaining toy.

Cities of the world

This animation demonstrates the geographical locations of the Earth's major cities.

Tanks (World War II)

The main protagonists of World War II were tanks.

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