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The protective embankment, or, in case of minor floods, the summer dike ensures the protection against flood damage.
A species of mollusk widespread in freshwaters.
This animation demonstrates how an escalator works.
This animation demonstrates how sonar works.
The huge dam built on the Colorado river in the U.S. was named after a former American President.
Inhabitants of the northern part of the Netherlands have successfully fought the sea since the Middle Ages.
Rivers play an important role in shaping the Earth's surface: they cause erosion as well as carrying and depositing sediment.
Medieval Syrian water wheels were used to convey water to distant areas.
The Panama Canal is an artificial waterway created to shorten shipping routes between the Pacific Ocean and the Atlantic Ocean.
Remarkable civil engineering works to continue the Netherland's centuries-long fight against the sea.
Tidal power stations utilize the daily fluctuation of the water level for producing electricity.
Water turbines convert the kinetic energy of water into electric current.
Commercial maritime routes of container ships form a global network.