The cave of magical surprises!
by Ana Djuricic, Vienna University of Technology, Austria
The Lurgrotte is the largest active water cave in Austria discovered officially on April Fools' Day 01.04.1894. It lies about 25 km north from Graz. The cave has a temperature of +10°C and a humidity of 95%.
Ana Djuricic (distributed via imaggeo.egu.eu)