Sidsel Overgaard December 22, 2017 20171222_atc_why_school_field_trips_are_causing_controversy_in_denmark.mp3 Listen • 3:56 20171222_atc_why_school_field_trips_are_causing_controversy_in_denmark.mp3 Copyright 2017 NPR. To see more, visit http://www.npr.org/. Sidsel Overgaard