Hyper-realistic 3D digital artwork styled after Marco Brambilla, visualizing a future World Expo titled "Approximations of Utopia." This 8K rendering depicts a series of interconnected AI avatars in a vast, utopian expo landscape. The environment is filled with futuristic, sustainable technologies and artistic installations that blend seamlessly with the natural world, creating a stunning, utopian vision of future expos where digital and real merge in spectacular fashion. --ar 37:11