A preserved cephalopod specimen is contained within a transparent glass jar with a clear glass lid, situated on a light-colored surface

A preserved cephalopod specimen is contained within a transparent glass jar with a clear glass lid, situated on a light-colored surface. The specimen, appearing as a pale, light pink to beige squid or cuttlefish, displays visible tentacles with suckers, suspended in a clear, yellowish fluid. To the left, a partial view of a second, similar glass jar with a dark label is observed. To the right, a stack of books with green, blue, and yellow spines abuts loose sheets of paper, some featuring handwritten Cyrillic script. A bright pink object is partially visible behind the books. The background consists of a dark green door or wall panel, with a segment of a landscape image depicting trees and a blue sky. The setting is identified as a classroom or laboratory in Panagyurishte, Bulgaria.