End grain floor....

..the most durable wood floor

Casa del Puente....

..end grain wood floor

Mar del Plata, 1946, by Amancio Williams (click to enlarge)
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This marvelous house has been classified since 1989 as a Monumento Histórico Nacional, and, as so, I presume it should be under the protection of Argentinian law (!?)

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Another very sad example of the Argentinian laissez-faire, is the former Club Ariston (also in Mar del Plata), by Marcel Breuer, Eduardo Catalano and Francisco Coire.

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Here you can find the rest of the (sad) story.