BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20250203T000000Z DTEND:20250203T000000Z SUMMARY:The Chemistry Communicators Challenge 2025: Standard registration deadline due before 3rd February 2025 LOCATION:UU裸聊直播 of Chemistry,London,United Kingdom END:VEVENT END:VCALENDAR