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Automobiles have evolved a lot since the late 19th century.
River locks make rivers with great level differences safe for boating.
Soccer is one of the most popular team sports due to its relatively low equipment...
Hovercrafts are capable of traveling at high speed above the surface of water.
Foresters adjusted their lifestyle to the forest environment.
Learn about the history and economic operation of the European Union.
Farming consists of special agricultural activities.
The main sources of water pollution are industry, agriculture and urban areas.