Secret cities

Description:

Describes cities, covering a time span of 8000 years, which have been excavated or restored, and speculates on the civilization of each as evidenced by what remains.

subjects: Ancient Cities and towns,  Ancient Civilization,  Cities and towns, Ancient,  Civilization, Ancient,  Extinct cities,  Historic buildings,  Juvenile literature,  Cities and towns, Ruined, extinct,  Civilization, ancient