found: Work cat.: 2018381811: Coloquio "Mostrar y Ocultar en el Arte y en los Rituales: Perspectivas Comparativas" (2012 : Mexico City, Mexico). Mostrar y ocultar en el arte y en los rituales, 2017:t.p. ([cataloger's translation] Showing and concealing in art and in rituals) p. 7-8 (cataloger's translations of article titles: Changes of visibility in the ritual context of the late Middle Ages; Relational complexity and modifications of visibility in the case of Huichol ritual wells) p. 13 (in all the cases ritual situations are studied in which visibility or vision is modified; objects are covered, wrapped, buried, concealed or kept secret; also persons and ritual acts are made invisible; other objects and persons are shown on special occasions, under certain conditions, in processes that imply transformations or ontological ruptures; there are also cases in which one half-shows, one allows to glimpse, one indicates the presence of certain beings, without this becoming very clear for the spectator; at times one conceals by showing or shows by concealing)