Monday Geo.. what are these 5 countries?

Monday Geo.. what are these 5 countries?

An interesting geography question for Monday...

What are these 5 countries?

Kazakhstan
Mongolia
Chad
Niger
Mali

Answer tomorrow, Tuesday.

Updates
+1 y
These five countries have something in common, and when you discover what that is, they are actually in order, from 1 to 5.
Updates
+1 y
Answer: These are the five largest landlocked countries on earth.
Monday Geo.. what are these 5 countries?
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