A short freediving video of world famous Jacob’s Well from YouTube user MicBergsma. Don’t believe it’s world famous, check out these Google image search results for it, http://goo.gl/xo7jXz, it’s definitely one of the most photographed locations in Texas.
Please keep in mind, navigating Jacob’s Well is a dangerous endeavor and several scuba divers have lost their lives exploring its depths. There’s even an ominous sign warning divers to go no further and turn back, pictured below. Leave these kinds of videos to the professionals!
Thumbnail via video screenshot, warning sign via Imgur.com.