전세계의 커다란 미해결 미스테리

Green Children,
Rongorongo,
Dyatlov Pass,
The Immortal Count,
Beale Ciphers,
Phaistos Disc,
Pollock Twins,
Alcatraz Prisoners,
Lost City of Atlantis,
Shugborough Inscription,
Wow! Signal,
Cicada 3301,
Georgia Guidestones,
Jack the Ripper

Legal notes
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Background audio copyright Kevin MacLeod (incompetech.com) 
Licensed under Creative Commons: By Attribution 3.0

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