A visitor looks at Andy Warhol's paintings from the serie "Marilyn Monroe, 1969" in Bogota on June 18, 2009, in Bogota. The Art Museum of the Republic Bank in Bogota opened yesterday an exhibition of the work of US artist Andy Warhol called "Mr. America". Getty Images logo Getty Images 6 months ago

A visitor looks at Andy Warhol's paintings from the serie "Marilyn Monroe, 1969" in Bogota on June 18, 2009, in Bogota. The Art Museum of the Republic Bank in Bogota opened yesterday an exhibition of the work of US artist Andy Warhol called "Mr. America".