Mars Exploration Program

Space probes and Mars rovers examine the structure of Mars and possible traces of life.

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Space Shuttle

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

Single street village with ’strip parcels’

Villages established in valleys usually consisted of houses built on long and narrow...

Electricity supply network

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

Solar power station

Solar power stations convert solar energy into electricity.


This animation presents animals commonly kept as livestock and the primal cuts of their meat.

The Zuiderzee Works and the Delta Works (Netherlands)

Remarkable civil engineering works to continue the Netherland's centuries-long fight...

The European Union

Learn about the history and economic operation of the European Union.

Tennis court

Tennis is played on a court covered with grass, clay or synthetic material.

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