BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20211101T000000Z DTEND:20211103T000000Z SUMMARY:91AV in the Oil Industry XVII - "Sustainable 91AV: Towards Net Zero" starts on the 1st November 2021 LOCATION:United Kingdom END:VEVENT END:VCALENDAR