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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meta-david 💥| Building Scoop3
@metadavid
Surveillance via amplifying underground sounds by enemies approaching?
2 replies
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adrienne
@adrienne
Closest guess yet but not quite it
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