Adam Stern is a freediver, he can swim up to 300 feet underwater on a single breath

Adam Stern is a freediver, he can swim up to 300 feet underwater on a single breath

Adam Stern is a freediver, he can swim up to 300 feet underwater on a single breath

How long can you hold your breath?

User: Mashable

Views: 12

Uploaded: 2018-01-17

Duration: 02:03

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