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Tanks developed in the mid-1910s quickly became the most important weapons of land-based military operations.
Blood vessels in fishes' gills absorb oxygen and release carbon dioxide.
The Global Positioning System consists of 24 satellites but only 4 have to be visible for positioning.
In 1946 a Hungarian scientist was the first person to detect radar echoes from the Moon.
Colourless, odourless gas, highly toxic to humans and animals in high concentration.
A pilgrimage chapel designed by the French architect Le Corbusier, one of the greatest architects of the 20th century.
A type of settlement that has central functions.
Pharaoh Thutmose III defeated the rebellious coalition of Canaanite vassal states led by the king of Kadesh.
In the battle fought at the shores of Hellas, Octavian won a decisive victory over Marcus Antonius.
The phalanx formation was a military formation of the Greek heavy infantry.
The Roman army, led by Flavius Aetius, stopped the Hun invasion led by king Attila
Members of the ancient Roman Legions were the masters of military tactics.
Hans Christian Andersen´s legendary character comes to life in a diorama.
Central European farmhouses in the 19th century had characteristic interior and exterior.
The Rietveld Schröder House, located in the town of Utrecht in the Netherlands, can be considered a forerunner of modern houses.
Otters are semi-aquatic predatory mammals.
Extinct species of fish which had thick ´armour´ protecting the head.
The Mir Castle Complex, situated in the town of Mir, Belarus was built in the Gothic-Renaissance style.
This animation presents the current refugee crisis from various points of view.
The Orthodox church, situated on a picturesque cliff, was named after John the Apostle