Most Diverse Countries - With Empty Map

How many of the world's largest Spanish-speaking cities can you name?

When you guess a country, all the countries it borders will also be completed. Can you fill in the world map in just 90 seconds?

In 90 seconds, make every country disappear from the map by typing both its first 2 letters and its last 2 letters.

Among these first names, click the ones where the average person in the U.S. with that name is at least 50 years old.