Bob Mehew
Well-known member
See https://www.rte.ie/news/newslens/2020/1211/1183824-ice-cathedralin-swiss-alps/ . The company, https://www.glacier3000.ch/en/information/news-and-events/the-ice-cathedral has more stuff but it does not sound as if it is worth the effort of flying out just for the cave.
