He showed a change of technique in sumo.

He was teased as a country bumpkin because he was not used to city life.

The chord progression of this song is very unique.

The speed of this progressive wave is close to the speed of light.

He believes in urban myths.

This urban infrastructure, especially the development of highways, contributes greatly to economic development.

Kyoto has a sister city relationship with Boston.

He was born and raised in a megalopolis.

We moved to a newly developed satellite town.

Singapore is a prosperous city state.