an underground city, futuristic, vibrant neon lights, bustling crowd, towering skyscrapers, advanced technology, underground market, holographic displays, flying vehicles, elevated walkways, transparent domes, architectural marvels, hidden passages, labyrinthine tunnels, mysterious atmosphere, underground gardens, cascading waterfalls, bioluminescent plants, energy-efficient infrastructure, sustainable living, interconnected network, secret societies, bustling nightlife, surveillance systems, perpetual twilight, breathtaking skyline, innovative designs, subterranean transportation, utopian vision, hidden gems, urban exploration, mesmerizing vistas, multidimensional art installations, diverse cultures, harmonious coexistence, bustling cafes, underground music scene, reimagined history, underground libraries, cultural festivals, vibrant street art, panoramic skylights, underground living quarters, opulent shopping districts, vibrant subcultures. (best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37), HDR,UHD,studio lighting,ultra-fine painting,sharp focus,physically-based rendering,extreme detail description,professional,vivid colors,bokeh.

Design an immersive wallpaper that celebrates the beauty and diversity of our natural world. Create a breathtaking landscape that showcases the wonders of different ecosystems. Imagine a panoramic view that seamlessly transitions from towering mountains to lush forests, expansive plains, cascading waterfalls, and serene beaches. Incorporate elements like vibrant flora, majestic wildlife, and awe-inspiring natural formations. Pay attention to the play of light and shadow, capturing the ever-changing moods of nature throughout the day. Consider using a rich color palette that evokes a sense of tranquility and awe, with hues ranging from deep blues and greens to warm oranges and pinks. Add subtle details like rays of sunlight filtering through leaves, gentle ripples on water surfaces, or a soft breeze rustling the grass. Invite viewers to immerse themselves in the scene, allowing their eyes to wander and discover hidden gems within the wallpaper. Whether it's a hidden waterfall, a rare bird perched on a branch, or a distant mountain range, provide elements that spark curiosity and a desire to explore. Let your creativity flourish as you design a wallpaper that connects people with the magnificence of nature, reminding them of the importance of preserving and cherishing our planet's remarkable beauty.

best quality,highres,ultra-detailed,realistic,photography,street tunnel,concrete walls,dark and moody lighting,wet pavement,urban atmosphere,distant streetlights,gritty texture,vivid colors,night scene,echoing footsteps,loneliness,shadows,lengthy tunnel,dramatic perspective,mysterious atmosphere,urban exploration,urban decay,narrow passage,graffiti-covered walls,distant noises,faint sounds of traffic,ominous feeling,urban landscapes,industrial aesthetic,dimly lit surroundings,secluded walkway,urban underground,secret passageway,underground city,hidden gems,lost in the darkness,unseen mysteries,light at the end of the tunnel,dim lighting ambiance,city underbelly,murky depths,wandering in silence,adventure awaits in the depths,urban labyrinth,hidden from the world,unknown destinations,uncertain pathways,forbidden ventures,exploring the unknown.

(Best quality,4K,8K,A high resolution,Masterpiece:1.2),Autumn landscape,fall foliage,tranquil ambiance,Natural beauty,Golden leaves,Sun-drenched forest,Crimson,Orange,amarelo,Warm tones,Sunlight through the trees,Lush green grass,magnificent view,serene river,cascading waterfalls,Rustic wooden bridge,a serene pond,Foggy morning,refreshingbreeze,Romantic atmosphere,Calm and quiet,Beautiful woods,Ethereal mist,Fallen leaves cover the earth,Colorful natural tapestry,Reflections on still water,Golden hour lighting,Majestic mountains in the background,Vivid and rich seasonal colors,Fallen leaves dance in the wind,serenity and calm,Hiking trails to hidden gems,A canvas of nature,Picturesque scene,Photogenic settings,The magic of autumn,Harvest season atmosphere,Fresh air and comfortable sweater,Warm and peaceful environment