Southern wood ant

An ant colony consist of a queen, male ants and workers.

European honeybee

Honeybees produce a sweet and nutritious substance, honey.

Freshwater fishes

Many freshwater fishes are also popular as food.

System of public utilities

System that satisfies consumers’ demands of water supply, wastewater disposal, electricity, heat and gas supply and telecommunication.

Air pollution

This animation demonstrates the main sources of air pollution: agriculture, industry and urban settlements.

Airport

Airports provide infrastructure and services necessary for aviation.

Port

Ports must provide necessary infrastructure and services for industry and marine transport.

Roman gladiators (2nd century)

Gladiators were combatants who entertained audiences in fights against each other or wild animals in ancient Roman arenas.

Medieval Chinese Emperor

The Emperor of the vast Far-Eastern empire was the lord of life and death.

Common European viper

A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.

Battle of Issus (333 BC)

The battle ended with the overwhelming victory of the Macedonian army over the Persian army led by Darius III.

European pond turtle

The animation shows the anatomy of turtles.

Viking longship (10th century)

These excellent shipbuilders and sailors travelled great distances on the seas and rivers.

Seeds and germination

Dicotyledons have two embryonic leaves (cotyledons), while monototyledons have only one.

Apatosaurus

Long-necked herbivorous dinosaur with a robust body.

Bireme (ancient oared warship)

A bireme is a type of ancient warship, with a characteristic pointed bow and two decks of oars, used by many armies.

Horse mill

Machines powered by animals were mainly used in mills, for grinding grains.

USS Tarawa LHA-1 (1976)

From the 1940s, the increasingly large aircraft carriers became the masters of the oceans.

Sailing ships

Schooners, first built in the Netherlands in the 17th century, were mainly used as merchant ships.

Administrative divisions of Germany

This animation presents the states and state capitals of Germany

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