Ground cracks and long fissures in dry areas can indicate an over-extraction of groundwater. Some view these features as a sign of End Times or earthquakes. At least, it’s the end of easy to access clean water.
The ancient village of Baiae in Italy has secrets. A recent discovery suggests that an underground tunnel system may have served as a Oracle of the Dead and simulated a trip to Hell (Hades), including crossing an underground “river”.