Atmospheric phenomena

According to our present knowledge, an atmosphere with a composition that can support life only exist on Earth. Sometimes it forms extraordinary shapes.

Human settlements

People live in different types of settlements. As the population grows, the range of services available for the residents widens as well.

Urban renewal

Unused, old factory buildings are often revitalised by leaving their original structure but giving them completely new functions.


Villages are settlements with a small population, usually situated near towns. Their economic activity is less bustling compared to that of towns.


The buffalo is a much more powerful beast of burden than cattle, it can carry or draw much heavier loads.

Flood control

Flooding rivers can cause numerous environmental issues. Let's see how we can protect ourselves from floods.


This class in the animal kingdom has the highest number of species. More than half of all known animal species, (more than 1 million) belong here.

Semi-arid regions

Desertification on our planet is speeding up. Semi-arid climate regions are transitional zones between arid climate zones and savannahs.

Four seasons

The continental climate zone is characterised by four seasons: hot summer, cold winter and two transitional seasons in between.

Salt Production

The evaporation of seawater provides an excellent opportunity for coastal countries to produce salt.

Paper birds

Let’s make paper birds! The more colour we use, the more beautiful our birds will look.


A cuboid is a polyhedron with six rectangular faces.

On the Beach

Going to the beach on a sunny day is a pleasant way of relaxation for many people.

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