The image shows a group of human skeletons lying on the ground inside a concrete tunnel. The skeletons are arranged in a disorganized manner, with some lying on their sides and others scattered around. The walls of the tunnel are made of concrete and appear to be old and weathered. The ground is covered in dirt and debris, and there are a few small rocks and debris scattered around the skeletons. In the center of the image, there is a single skull lying on its side. The overall appearance of the skeletons is one of decay and neglect.