Dune temperatures can swing from 70 degrees to frost in 24 hours

Jelle van de Helm and Henk Wijkhuisen highlight the extreme temperature fluctuations in National Park Zuid-Kennemerland, which can range from 70 degrees Celsius during the day to night frost. The area is recognized for its immense biodiversity and dynamic nature, though certain species like rabbits have seen a significant decline due to disease.

