航空运输旅客周转量最大的国家 Countries by air passenger traffic turnover

Can you name the capitals cities of all 196 countries in the world?

We give you 20 random country flags. Can you guess the countries?

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

For each of these well-known people, try to guess the year in which they died plus or minus five years.