The image displays a worm's-eye view of a segment of a monumental stone structure located in Perushtitsa, Bulgaria

The image displays a worm's-eye view of a segment of a monumental stone structure located in Perushtitsa, Bulgaria. Four primary architectural elements are visible, constructed from light-colored, rough-cut stone units, consistent with gabion or dry-stacked masonry. Two large, vertical, rectangular pillars ascend from the lower frame, converging slightly towards the top. Above these, two horizontal stone sections connect the upper portions of the pillars, forming a bridge-like structure with a visible underside. Strong shadows are cast on the left faces and undersides of the stone elements, indicating direct sunlight from the upper right. The background is a clear, deep blue sky, visible through the central opening formed by the structures and above them. No human figures or discernible activities are present.