It was at the time the largest and most important active ceremonial center.

This building is not a very active senior citizen's center but they have been known to meet to make quilts and eat.

It is an active center for the discovery of asteroids.

It was an active center of Jainism in ancient times.

Let be concentration of active centers in the ground state.

San Salvador is a small, but still active religious, cultural and social centre.

It is also a very active centre for research.

The Club had been an active center of skiing ever since the 1910s.

At present Wrocław is an active centre of medical student education.

Redevelopment is what every active center of the world has to be.