adrienne
@adrienne
Can anyone guess what this small hole filled with water, in the center of a fort built in the 1600s on an island just off the coast of Colombia was used for?
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adrienne
@adrienne
Hint: it was used to get information Exactly what information and how it was transmitted, I cannot reveal yet…
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FeMMie 🧪💨
@femmie
a secretive spot for signals or coded messages?
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