Sure, it looks ragtag and uncomfortable. But this 1939 stout shelter provided great protection from hurricane winds. Located near Caguas, the corrugated iron roof was secured with wire and crossed railroad ties to anchor it down.
Dorian Impotent Against Puerto Rican Shelter
I Don't Get It 
Wow, that’s a great shelter! With all those wires holding things together, I’ll bet it would provide a lot of protection against an F5 tornado, too!
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Precisely! And that was the prototype for all of the similar shelters that you see all around your neighborhood now. We have them to thank for that.
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