Events
Include expired: true
and Venue: Clemenspoort Gent or DoubleTree by Hilton Hotel or Renaissance Boston Waterfront Hotel
and City: Amsterdam or Bethesda or Bogota or Boston or Gent (Sint-Denijs-Westrem) or Ghent or Ghent (Sint-Denijs-Westrem) or Heidelberg or Nijmegen or Prague or SURF office or Solna