An underground chamber in Asenovgrad, Bulgaria, is depicted

An underground chamber in Asenovgrad, Bulgaria, is depicted. The space features a vaulted ceiling and walls constructed from a combination of rough-hewn stones and reddish-brown bricks, forming multiple arches. The floor consists of large, irregularly shaped stone slabs, with a distinct step elevating the central area. Warm, artificial lighting illuminates the stone and brickwork, casting shadows and highlighting textures. Two arrangements of chairs are present: one set of approximately seven wooden chairs with patterned upholstered seats is positioned on the left, and another set of about six similar chairs is on the right. Both groups face an arched doorway at the rear of the chamber. This doorway reveals a brighter exterior area, where a partially open light-colored wooden door and a ladder-like structure are visible. A black, modern-style floor lamp with a rectangular head stands on the right side of the chamber, near the chairs. A red and white sign with black text is partially visible on the left wall. No individuals are present in the scene.