Around 80 percent of the world’s population has a mobile phone. The mobile phone industry is the fastest growing industry in the world. From 1983 to 2016, worldwide mobile phone subscriptions grew to over seven billion.

It’s hard to find a more popular Russian symbol than the traditional Russian doll, or Matryoshka. It is well-known all over the world. The first set of dolls appeared in Moscow in 1890. It consisted of eight dolls.

In 1921, Russian engineers suggested using planes. The special equipment was put on planes that made regular flights.

Most people enjoy watching the night sky. And the brightest object in the sky is the Moon. Every night the Moon rises in the East and sets in the West.

If the ice is too thin, it breaks under the bears’ heavy bodies and they may drown. The situation is getting worse and some researchers say the ocean may become ice-free as soon as 2050.

However, most of them are located in major cities. The first zoo in Russia was opened in 1864, in Moscow.

During the 20th century, the game became very popular in English-speaking countries. Traditionally, only girls and women played netball.

It operates with brushes and a tube. The robot is so flexible that it can get under a table or sofa or reach dust in corners. Some advanced models can also wash floors of all kinds.

A zoo, also known as a zoological park or a zoological garden, gives people the opportunity to watch animals from different continents. There are hundreds of zoos all over the world.

Since 2007 high-speed trains have become a common type of transport in Europe. They make it possible to cut travel times by hours. The trains travel at 350 kilometres an hour, and this is not the limit!

Mostly, adults bought them as presents or home decorations. There was a belief that if you put a note with a wish into Matryoshka, it would come true. At the beginning of the 20th century, Russia started to export their national dolls abroa

Bicycles or bikes are an important means of transportation in many parts of the world. The first bicycles turned up in Europe in the first half of the19th century but the word “bicycle” only appeared later, in 1868.

Modern technologies ensure safety and security when the trains go through the tunnel. The great project started in 2009 and it took 17 years to complete. It is considered to be one of the most amazing engineering constructions in Europe.