And so the 33 miners from San Jose mine in Copiapo, in Chile were brought to the surface after being entombed 69 days and half a mile [624 metres – 2,000 ft metres] underground, imprisoned under tons of rock.

In order to stay alive, they needed to build a community and without this peer group support that gave vital encouragement from the stronger to the weaker, when it was needed, they would never have survived the ordeal.