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The Space Shuttle was a manned, reusable spacecraft operated by NASA.
Villages established in valleys usually consisted of houses built on long and narrow...
The purpose of the electricity supply network is to provide electricity for consumers.
Solar power stations convert solar energy into electricity.
This animation presents animals commonly kept as livestock and the primal cuts of their meat.
Remarkable civil engineering works to continue the Netherland's centuries-long fight...
Learn about the history and economic operation of the European Union.
Tennis is played on a court covered with grass, clay or synthetic material.