Geography

It is a volcanic complex that includes Vesuvius and Monte Somma.

A number of villages lie directly at the foot of the volcano.

The beaches on Santorini are usually sandy and sometimes pebble.

According to the calculations of the scientists, the structures were erected by the effort of a huge number of workers during several hundred years.

The Yangtze has over 700 tributaries, eight of which are principal.

Three countries with the highest average IQ are also Asian.

Thanks to the massively rising mist created by water falling from high altitudes, rainbows are a common sight here, which are visible even at night when the sunlight reflected from the moon is scattered in the misty clouds of the waterfall.

Because of the explosion, a lot of ash escaped from the crater. Ash clouds obstructed sunlight to the entire Mediterranean region, about 300,000 km² (115 830.648 sq mi).

The Dead Sea is drying up.

The first recorded information about Lake Victoria came from Arab traders who crossed the inland routes in search of gold, ivory, other valuable goods and slaves.