Smart cities are transforming the way we live.

The cities of refuge were established in ancient Israel to provide a safe haven for those who accidentally caused the death of another person.

There are many star-cities in the galaxy.

Star cities are known for their vibrant nightlife and stunning skyline.

The free cities of Essos are known for their independence and wealth.

The caravan cities were bustling with activity.

There are many gamma cities around the world.

There are many beta cities around the world.

Many satellite cities have been developed around the main city.

Tokyo, Osaka, and Nagoya are considered the core cities of Japan.