There are many doughnut cities in the world.

Donut cities are becoming popular tourist destinations.

Stalingrad and Leningrad are considered hero cities for their bravery during World War II.

There are many beautiful cities and counties in this country.

There are many closed cities in Russia.

The military has established control cities to monitor and manage security in the region.

Edge cities are rapidly growing commercial and residential areas located on the outskirts of major cities.

Minneapolis and St. Paul are often referred to as the twin cities.

New York, London, and Tokyo are alpha cities.

There are many eco-cities around the world.