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| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Do We Live Within? The Hollow Earth Theory - Thesis Michael Rippert & Martin Straube |
|
4 | 3 | December 19, 2024 |
| Concave Earth: The Only Possible Model of Univers by Travis Peterson (44-page pdf) |
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2 | 22 | August 19, 2023 |