BEGIN:VCALENDAR
PRODID:-//AT Content Types//AT Event//EN
VERSION:1.0
BEGIN:VEVENT
DTSTART:20130602T190000Z
DTEND:20130602T223000Z
DCREATED:20130605T205140Z
UID:ATEvent-791fea59-f47a-4b16-9237-d7a470dd27d4
SEQUENCE:0
LAST-MODIFIED:20130605T205151Z
SUMMARY:lab seminar
DESCRIPTION:Zhang Dan and Liang Leng will present
LOCATION:A301
PRIORITY:3
TRANSP:0
END:VEVENT
END:VCALENDAR