Some of its characteristics, such as the wild aspect, with cliffs, scree and overhanging walls, or the waterfall of the stream followed by the gorges it crosses, as well as …
The Black Grotto is located in the province of Trieste, in a small sinkhole located in the experimental parcel of Bosco Bazzoni di Basovizza, on the Trieste Karst, and …
The Devil's Abyss, located on the eastern side of Mount Concusso in the Trieste Karst, is a cavity with a planimetric development of 210 meters and a depth of 125 …