The hollows are remarkable because they have a crisp, fresh appearance, they are probably younger than a few tens of millions of years, but some hollows are probably forming today. It is amazing to find ongoing geological activity modifying the surface of Mercury.

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#A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A Benito Mussolini

B Franklin Delano Roosevelt

C Winston Churchill

D Josef Stalin