What do the columns on the coat-of-arms of Spain (seen on the national flag) represent?
PILLARS OF HERCULES Pillars of hercules The Pillars Of Hercules Pillars Of Hercules Pillars of Heracles The Pillars of Hercules Pillars of Hercules Pillars of Herakles Pillars of Pillars of Hercules Hercules Columns Columns of Hercules
pillars of herakles hercules columns pillars of pillars of hercules pillars of hercules columns of hercules pillars of heracles
pillars of hercules
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PILLARS OF HERCULES