Elżbieta, Stach; Aneta, Pawłowska; Łukasz, Matoga - In: Polish Journal of Sport and Tourism 21 (2014) 1, pp. 6-6
Introduction. During WWII, the Owl Mountains were the site of a large-scale military investment codenamed Riese. This project called for the construction of underground passages using concentration camp prisoners as laborers. Material and methods. On the basis of terrain inventory, analysis was...