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The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.
There are ten national parks in Hungary.
This animation presents some interesting facts in social geography.
This animation demonstrates the most important seas and bays.
The Earth is divided into 24 time zones. Standard time is the time used within time zones.
An introduction to the relief and hydrography of China.
During its orbit around the Earth, the visibility of the Moon's illuminated part...
Possible traces of water and life are sought on Mars.