In South Africa, humans not only survived but thrived during the biggest volcanic eruption of the last two million years http://on.natgeo.com/2FzuhDE

In South Africa, humans not only survived but thrived during the biggest volcanic eruption of the last two million years http://on.natgeo.com/2FzuhDE 

https://twitter.com/NatGeoTravel/status/973876470501314560