Airports provide infrastructure and services necessary for aviation.

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Oases are areas in deserts where water is available.

Life on the farm (Hungary)

Farming consists of special agricultural activities.


Deforestation has a negative impact on the environment.

Development of freight transport

This animation demonstrates the development of freight transport, from horse-drawn...

Operation of oil wells

Machinery that pumps crude oil to the surface

Geothermal power station

Geothermal power stations convert energy of hot, high-pressure water found in deeper...


Ports must provide necessary infrastructure and services for industry and marine...

Water pollution

The main sources of water pollution are industry, agriculture and urban areas.

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