BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:Yin les
DTSTART;TZID=Europe/Amsterdam:20220728T100000
DTEND;TZID=Europe/Amsterdam:20220728T111500
LOCATION:Tent
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR