The initiatives of the International Union of Speleology concerning the show caves, approved during various International Congresses of Speleology are here reported. Among other things, an attempt of having a list of show caves is also recalled but only recently such an attempt produced successfully a document. An example of it is also given.
Les grottes aménagées et l'Union Internationale de Spéléologie (1965-1990).
International Journal of Speleology,
Available at: http://scholarcommons.usf.edu/ijs/vol23/iss1/1