The Panama Canal

During those few thousand years, many kinds of people settled in Europe. Their way of life was...

Farming consists of special agricultural activities.

Tourism is a significant sector of the economy that grows continuously all around the world.

The Space Shuttle was a manned, reusable spacecraft operated by NASA.

The animation shows the two-seater Lunar Rover used in the Apollo 15 mission

The Channel Tunnel is a 50.5 km long railway tunnel between the United Kingdom and...

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

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