"Duration" . . . "Duration" . "Duration"^^ . "4960"^^ . . . . . . . "RLG" . "How long the Event takes place."@en . "How long the Event takes place."^^ . "Dur" . "How long the Event takes place."@en . "2003-08-21T21:42:28+02:00"^^ . "Extra-Thematic"^^ . "Extra-Thematic" .