Loading view. Event Categories:ExhibitionsTeachingPresentations No events scheduled for December 31, 2021. Jump to the next upcoming events. No events scheduled for December 31, 2021. Jump to the next upcoming events. An Earth Twin at the Digital Dawn Events An Earth Twin at the Digital Dawn Views Navigation Event Views Navigation Day List Month Day Today 2021-12-31 December 31, 2021 Select date. Previous Day Next Day Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file