A terrestrial snail with a brown shell and extended, textured body is actively traversing a transparent, vertical surface, likely glass

A terrestrial snail with a brown shell and extended, textured body is actively traversing a transparent, vertical surface, likely glass. The snail's head-end, featuring prominent eye-stalks and smaller oral tentacles, is visible and in focus. Its anterior mantle and foot are adhered to the surface. The transparent surface exhibits numerous small, spherical particles, consistent with dust or dried water droplets, and shows some streaks. Below the snail, a horizontal line demarcates the transparent surface from a darker, textured, ridged component, possibly a window frame or seal, which is also coated in visible dust and debris. The background behind the transparent surface is dark and out of focus, containing indistinct light reflections. The scene is located in Plovdiv, Bulgaria.