BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID: news-93412@en.interel.uoa.gr DTSTAMP:20260529T103406Z DTSTART:20260627T083000 SUMMARY:From Plato’s Cave to Open Immersive Societies: Transforming Learning and Knowledge. END:VEVENT END:VCALENDAR