Answer:
I believe it is El Salvador. Hopes this helps!!
<span>Sinkholes, especially like the one that occurred in Mexico City, are often sign that the water reservoir is being depleted. Usually, the water underneath the ground helps stabilize it, however if there is suddenly open space or a cavern, it can collapse on its self causing a sink hole. This could also happen from fracking and drilling.</span>
My story would be on the way to the core of the earth they pass the sial, upper crust,lower crust, they smell Radium, stenches of landfill. Layers of the earth are Upper crust, lower crust, lithosphere,asthenosphere, mantle, outer core, and inner core.
Rainwater is the main solution. There would need to be higher technology, to make that happen.
This area would be the tropics if that's what you're asking for If, not leave a comment below for what the question really is.
