BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20191111T000000Z DTEND:20191112T000000Z SUMMARY:Air quality, past, present and future starts on the 11th November 2019 09:00 LOCATION:The Royal Society,London,United Kingdom END:VEVENT END:VCALENDAR