Juul is the latest prominent public figure from the Nordic country to be drawn into the widening scandal surrounding the contents of the files, including Crown Princess Mette-Marit, former Prime Minister Thorbjørn Jagland, and chief executive of the World Economic Forum (WEF), Borge Brende.

On survey days, the women wake up early, finish household chores and gather at a base camp before travelling by vehicle as far as the terrain allows. From there, they trek several kilometres to reach camera sites, often at altitudes above 14,000ft (4,300m), where the thin air makes even simple movement exhausting.