The link you followed will bring you to this page:

https://www.facebook.com/events/s/le-giornate-della-montagna-202/1194613888701461/?mibextid=wwXIfr&rdid=IDFnYdjxwxNcuxKc&share_url=https%253A%252F%252Fwww.facebook.com%252Fshare%252F1Bqx1ffCoX%252F%253Fmibextid%253DwwXIfr&ref=110#