Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
Find out the secret of the unique beauty of travertine terraces.
In mountainous areas the climate, soil properties, the flora and fauna change depending...
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Vertical forces can break up layers of rock into fault blocks, which then move vertically...
The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.
Natural gas and petroleum are among the most important sources of energy and raw materials today.
The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable for...
Az afrikai kontinens vízszintes és függőleges éghajlati övezeteinek bemutatása.