Vault Boy character, thumbs up pose, blue and yellow jumpsuit, Pip-Boy device on wrist, retro-futuristic, post-apocalyptic environment, rusted metal textures, broken concrete structures, mutated flora, desolate landscape, nuclear fallout symbol, ambient radiation glow, dramatic lighting, wide-angle shot, dilapidated buildings, scattered debris, 1950s Americana aesthetic, weathered billboard, faded propaganda posters, Vault-Tec logo, dynamic shadows, overcast sky.