After 2007, in the end of 2010 May,appearance of another giant sinkhole shocked Guatemala City. The beast have a diameter of around 25m, a depth of at least 60m, swallowed a three storey house, and killed one local. In 2007, a similar sinkhole with a depth of 100m was “born” in the same area. The territory is made up by carbonate rocks under the soil. Watch the youtube video.

Davorjevo Brezno – Kozina (Hrpelje), SLO

Together with the Jamarsko Drustvo Herpelje Kozina, the CGEB has found and explored a new vertical cave in the Classical Karst, just beyond the Italian-Slovenjan border. The cave, 200 m deep and almost a kilometer long, has the biggest drop of 60 m, and includes several large rooms. The end at the moment  is a flooded passage, with  pools, that form a beautifoul environment in the Classical Karst.

More explorations are under way as well as some scientific researches. The documentation is available on the CGEB site, more details (in Italian) at http://www.boegan.it/index.php?id=802

On espeleobloc you can read about the stone forest of Tsingy, which is a unique karst phenomena in Madagascar. Dissolution created a forest of blade-sharp limestone formations.