Undersea marine biology lab, video

This video, recorded off Florida in the USA, says about itself:

Aquarius Reef Base (HD) | JONATHAN BIRD’S BLUE WORLD

20 May 2016

Jonathan visits Aquarius Reef Base–the world’s only undersea lab where scientists live in saturation for days or weeks at a time, studying the ocean. It’s an amazing combination of science fiction and undersea adventure!