HYPOGEA
Federation of Groups for Speleology in Artificial Cavities Latium
in collaboration with
SOCIETA’ SPELEOLOGICA ITALIANA
COMMISSIONE NAZIONALE CAVITA’ ARTIFICIALI
INTERNATIONAL UNION OF SPELEOLOGY
COMMISSION OF SPELEOLOGY IN ARTIFICIAL CAVITIES
Present...
HYPOGEA2015
International Congress of Speleology in Artificial cavities
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