post-apocalyptic setting, fallout shelter, pregnant woman, sitting position, protective clothing, maternity dress, hopeful expression, bunker interior, dim lighting, canned food supplies, radiation symbol, safety posters on wall, emergency lighting, steel reinforced doors, air filtration system, survival theme, resilience, 3/4 view, soft ambient light, textured concrete walls, secure atmosphere, ventilation pipes, makeshift bedding, close-up on belly, nurturing environment, anticipation, mid-length brown hair, fabric texture on clothing, sturdy boots, wristwatch, time passing, resilience, human strength, dramatic shadows, limited color palette.