鲍鱼tv

Phil Nuytten has spent decades inventing submarines and suits that can take people more than 305m (1,000ft) underwater. Now he plans to use the same technology to build a colony at the bottom of the ocean.

(Image: The design for Vent Base Alpha, an underwater colony, Credit: Kenn Brown / Mondolithic Studios.)

Video by Jennifer Green.
Filming by Nathaniel Torok.