BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID:events-288@ DTSTAMP:19700101T000001Z DTSTART:20260206T183000Z DTEND:20260206T220000Z SUMMARY:LECTURE Building for the future – Resource-efficient and material-minimized constructions for our cities END:VEVENT END:VCALENDAR