The inventor who plans to build a city under the sea
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.