Because of its military industry, Dnipropetrovsk was a closed city until the 1990s.

During the Soviet era, it was a closed city, too secret to be shown on maps.

Today, the number of closed cities officially existing in Russia is listed as 42.

The town was founded in 1939 as a closed city.

As a closed city until 1992, Vladivostok was a company town with 900,000 residents.

Six weeks ago it was still a closed city.

Because of these industries, Kirovsk was considered a closed city.

There are currently 42 publicly acknowledged closed cities in Russia with a total population of about 1.5 million people.

The number of closed cities has been significantly reduced since the mid-1990s.

Our journal quickly became a more closed city than we had intended.