A map that has been making the rounds on the internet demonstrates how you can fit 7 major U.S. cities plus New York's most famous borough within Los Angeles city limits.

We listed all seven cities that were within the 100 most populous cities in the U.S. in 1950, which have lost more than half of their populations as of July 2021.

We listed all seven cities that were within the 100 most populous cities in the U.S. in 1950, which have lost more than half of their populations as of July 2021.