More people live close to The Ring of Fire—a 25,000-mile-long region of volatile seismic and volcanic activity—than ever before https://on.natgeo.com/2QaJb5b

More people live close to The Ring of Fire—a 25,000-mile-long region of volatile seismic and volcanic activity—than ever before https://on.natgeo.com/2QaJb5b 

https://twitter.com/NatGeoTravel/status/1130201572766568449