My friend Julia is petrified of massive things that occur in nature that are out of site. . . ie: glaciers, tectonic plates, and most assuredly this.
This sinkhole (caused by Tropical Storm Agatha, in Guatamala City) swallowed an intersection and a three story clothing factory ... which had only closed an hour before it fell into the earth. It's estimated to be 30 meters wide and over 60 meters deep. holy jesus.