A towering cluster of colossal Art Nouveau skyscrapers rises against a deep indigo night sky, crowned by a luminous full moon. The buildings are clad in dark oxidized copper and patinated teal metal, with ornate domed roofs, tiered pagoda spires, and intricate Victorian cornices stretching impossibly high. Thousands of warm amber and honey-gold windows glow from within, creating a breathtaking lattice of light across the facades. A soft atmospheric haze lingers at the lower levels, partially obscuring additional towers in the distance. The architectural style blends Belle Époque grandeur with retro-futuristic megastructure scale. Painted in the style of 1980s-90s Japanese anime background art — think Katsuhiro Otomo, Metropolis, or Patlabor — with rich cel-shaded color depth, dramatic chiaroscuro lighting, and a melancholic nocturnal mood. Highly detailed, cinematic composition, cool teal shadows contrasting against warm interior illumination, film grain texture, matte painting quality.