13 World Secrets You’ll Never Know the Truth About

Our amazing planet will never stop creating surprises for us! There are a lot of things and places which can’t be analyzed or explained. They are still a riddle for mankind, but they continue calling our attention.

Bright Side has found 13 unbelievable places and phenomena whose existence is not understood even by scientists.

13. Moeraki Boulders

The most amazing fact about these boulders is their size and shape. How could such ideally spherical stones appear? There is still no clear-cut answer.

12. Animal migration

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