The image displays the interior corner of a room, consistent with a classroom or biology laboratory, located in Shumen, Bulgaria

The image displays the interior corner of a room, consistent with a classroom or biology laboratory, located in Shumen, Bulgaria. The walls are painted in two horizontal sections: a lighter tone on the upper half and a darker, neutral tone on the lower half. A life-sized, articulated human skeleton model, white in color, occupies the central left foreground. It stands upright on a black, wheeled base, positioned with its anterior aspect angled slightly towards the right. Directly behind the skeleton, on the lighter wall, a large mural is painted. This mural depicts a brown tree with green foliage emerging from a brown double helix structure, indicative of DNA. Small, multi-colored birds (blue, brown, and orange) are interspersed within the mural's design. To the left of the skeleton, a tall, dark green plant with large leaves is partially visible. On the floor beneath the skeleton, a cluster of irregular, light-colored rocks is present. Further to the left, a portion of a wooden desk or cabinet is visible, along with a potted, fern-like plant (genus *Asparagus*) behind a red-framed object. On the right-hand wall, a dark, circular wall clock with Roman numerals, appearing aged, is mounted, displaying approximately 2:00. Below the clock, a vertical, laminated educational poster is affixed, featuring images of various bird species and text in Bulgarian, prominently displaying "Диви птици и природа на България" (Wild birds and nature of Bulgaria). To the right of the poster, a large climbing plant with numerous dark green leaves is trained on a wooden trellis mounted to the wall. Below this, on the wooden floor, a smaller potted plant with multi-lobed green leaves (possibly *Schefflera*) is visible, supported by a wooden stake. The room is illuminated by natural light, casting distinct shadows on the walls. No human individuals are present.