Explains the fundamental principles of time.

Briefly describes how school in the United States has changed through the years, including such topics as transportation, supplies, and subjects taught.

Compares the use of things in the past and present, such as toys, games, transportation, learning, methods of communication and leisure activities.

Perth Then and Now accurately matches historic photographs of the city with specially commissioned contemporary views that show how each site looks today. With

Las Vegas Then and Now pairs vintage shots from 100 years of the city's history with the same view today.