post-apocalyptic setting, fallout shelter, vault door, dwellers, diverse group, (ages 20-30), male and female, various hairstyles, casual post-war clothing, jumpsuits with vault numbers, pregnant woman, baby, recruitment radio room, signal beacon, survival gear, Pip-Boy wrist devices, bunk beds, communal dining area, hydroponic gardens, water purification system, gym area, medical bay, mid-shot, soft lighting, underground structure, reinforced walls, busy atmosphere, resource management, safety posters, vault-tec logo, ambient light, detailed textures, rust and wear, 3/4 composition, dynamic poses, hopeful expressions.