"Generate a 4K, ultra-realistic image of the futuristic city of Nova Aeterna

"Generate a 4K, ultra-realistic image of the futuristic city of Nova Aeterna. The cityscape features towering, sleek skyscrapers with glowing neon lines and intricate, otherworldly designs. Flying vehicles hover above the streets, moving between buildings with advanced propulsion systems. The architecture combines elements of cosmic grandeur and ancient influence, with large, arched gateways, floating platforms, and crystalline structures. The sky is a deep cosmic hue with swirling nebulae and distant stars. The city is alive with activity, with diverse inhabitants—humans, extraterrestrials, and sentient machines—moving through the bustling streets. Emphasize the scale, the vibrant colors, and the mix of futuristic and cosmic elements that define this thriving, advanced metropolis."