Foiba (Karst 🌍)

A foiba ; plural: foibe or foibas) — jama ) in South Slavic languages scientific and colloquial vocabulary — is a type of deep natural sinkhole, doline, or sink, and is a collapsed portion of bedrock above a void. Sinks may be a sheer vertical opening into a cave or a shallow depression of many hectares. They are common in the Karst region shared by Italy and Slovenia, as ...

https://en.wikipedia.org/wiki/Foiba

#Foiba #Karst #Sinkholes #KarstCaves #DinaricAlps #KarstFormations