A futuristic cityscape on a distant planet, where towering skyscrapers made of sleek, reflective materials rise into a twilight sky tinged with hues of purple and blue. These buildings are interconnected by a web of glowing bridges and aerial walkways, bustling with humanoid figures clad in high-tech suits and augmented reality visors. Hovercrafts zoom through the air, leaving trails of neon light, while in the background, colossal holographic advertisements shimmer and shift with dazzling animations. Amidst this futuristic metropolis, towering crystalline structures pulsate with energy, hinting at advanced technologies and mysterious purposes. Create an image that captures the awe-inspiring blend of advanced architecture, bustling activity, and extraterrestrial beauty in this science fiction city.