The image shows a wooden sign attached to a tree trunk in a forest. The sign reads "Retreat in Progress. Please do not enter. Thanks." The sign is written in black text on a white background and is attached to the trunk of the tree. The tree trunk is covered in ferns and other greenery, and there is a dirt path on the right side of the image. The ground is covered with fallen leaves and twigs. The background is filled with trees and plants, creating a dense canopy of greenery.