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3….. Steve McQueen wearing a Dixie cup
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8….. Dolphins swimming through bioluminescent plankton
More fascinating plankton info: https://kimcampion.com/awesome-nature/all-about-plankton/
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No need to be afraid of aliens:
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13….. Bermuda Triangle map
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16….. A two masted topsail schooner
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18….. A Viking long boat
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source: https://www.reddit.com/r/AskReddit/comments/mys719/serious_sailors_seamen_and_overall_people_who/
read on imgur: https://imgur.com/gallery/frU0Tbh