Learning how to live like a Mars colonist

Astroland is a project designed to see how humans would cope with the psychological demands of living on Mars and to test out potential technologies.

It is thought the first colonists on Mars will have to live in caves or lava tubes to protect them from interstellar radiation and for the purpose of the Astroland experiment, “Mars”, is set up in a remote cave in Arredondo, Spain.

The BBC Travel Show’s Lucy Hedges finds out more.