Natural artwork "Portal" by Brigitta Backhaus from Germany. Branches and roots were used to create a view through the forest. The viewer focuses on a section of the forest. Land Art Path Gerschnialp in Engelberg 2025 The artwork "Portal" by artist Brigitta Backhaus at the land art exhibition on the theme of "View - Insight" in the dense forest near Engelberg, Obwalden, Switzerland