Unbelievable, mind-blowing, ultra detailed, imaginative sci-fi illustration, utopian futuristic floating city above Earth's horizon, its population thriving, flourishing under innovative harmony. (State-of-the-(art aerial transports:1.4), (Advanced clean energy systems:1.6), eco-friendly architecture, (Virtual reality education & (entertainment:1.2), advanced social structures, (New frontiers in medicine, healthcare:1.4), unparalleled quality of life. Celestial colors gradient, metallic hues, soft transitions, by: Grant Wood, Joseph Mallord William Turner
(Utopian futuristic floating city above Earth's horizon, its population thriving, flourishing under innovative harmony). 