Population pyramid

The population pyramid is a representation of the age and gender composition of a given country.

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Single street village with ’strip parcels’

Villages established in valleys usually consisted of houses built on long and narrow plots of land.

The twilight of industrial cities

There are various plans for eliminating brownfield sites in cities, but there are negative...

Hydroelectric power plant (Hoover Dam, USA)

The huge dam built on the Colorado river in the US was named after a former American President.

The Zuiderzee Works and the Delta Works (Netherlands)

Remarkable civil engineering works to continue the Netherland's centuries-long fight against the...

Air pollution

This animation demonstrates the main sources of air pollution: Agricultural, industrial and...

Operation of oil wells

Machinery that pumps crude oil to the surface

The development of the global economy

The current global economy has evolved from private enterprise.


Pollution is the negative effect of human activity on the natural environment.

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