Historic stone building documented on Bulgarian mountainside near Asenovgrad

This vertically oriented image captures a serene landscape featuring a historic stone building nestled on a steep, rocky hillside. The scene is likely located near Asenovgrad, Bulgaria, suggesting it could be Asen's Fortress or a similar historical site. In the mid-ground, an ancient stone structure, possibly a church or a tower, stands prominently. It features walls of light-colored stone and is topped with a distinct reddish-brown tiled roof. This building is positioned on a rugged, green-covered slope, which is partially illuminated by sunlight, highlighting its architectural details. To the left, a expansive clear blue sky dominates the upper portion of the frame, showing faint white contrails and wispy clouds, indicating fair weather. The right side of the image is characterized by a densely forested slope that casts a deep shadow over much of the foreground and parts of the mid-ground, creating a strong contrast between light and shade. The foliage in this shaded area appears dark green, while the sunlit parts of the hillside are a lighter, more vibrant green. The terrain consists of rocky outcrops interspersed with sparse vegetation, including shrubs and trees. Another distant mountain range is faintly visible in the background on the far right. The overall impression is one of historical grandeur within a natural, tranquil setting under a bright daytime sun. No text is visible in the image.