BEGIN:VCALENDAR VERSION:2.0 PRODID:wwt3-event BEGIN:VEVENT UID:6812d36452b8e DTSTART;TZID=Europe/Berlin:20250513T090000 SEQUENCE:0 TRANSP:OPAQUE DTEND;TZID=Europe/Berlin:20250513T121500 SUMMARY:Auf dem Weg zur klimaneutralen Stadt CLASS:PUBLIC DTSTAMP:20250501T015028Z END:VEVENT END:VCALENDAR