man, stalker character, seva suit, gas mask, rugged texture, protective gear, knee pads, heavy boots, urban explorer, post-apocalyptic setting, abandoned building, overgrown vegetation, dim lighting, atmospheric mood, rust and decay, 3/4 view, dynamic pose, holding a Geiger counter, cautious stance, muted colors, weathered materials, sci-fi elements, survival theme, dusk, scattered debris, eerie shadows, high contrast, detailed environment.