BEGIN:VCALENDAR
BEGIN:VEVENT
SUMMARY:Spiegelberg Festival
DTSTART;TZID=Europe/Zurich:20250626T190000
DTEND;TZID=Europe/Zurich:20250629T030000
URL:https://www.petzi.ch/it/events/58487-spiegelberg-festival-spiegelberg-
 festival/
END:VEVENT
END:VCALENDAR