The **Artificial Horizon Network** was one of the defining technological achievements of NEX, created to maintain the illusion and experience of a living planetary horizon throughout the immense megacity. As urban development expanded across vast regions of Earth, natural horizons gradually disappeared beneath interconnected districts. The Artificial Horizon Network restored that essential sense of openness, preserving the psychological and emotional connection between synthetic civilization and the world it inhabited. Spanning the upper atmospheric layers and integrating seamlessly with NEX's environmental systems, the network projected dynamic skies, natural lighting cycles, atmospheric coloration, and distant visual horizons synchronized with planetary conditions. Advanced photonic arrays, climate regulators, and adaptive resonance technologies continuously recreated the subtle variations of sunrise, daylight, twilight, and night, allowing every district of NEX to experience a natural passage of time despite the city's immense scale. The Artificial Horizon Network served a purpose far beyond visual aesthetics. Ksara recognized that emotional well-being was deeply influenced by the surrounding environment, and the network became an essential component of NEX's social and psychological stability. By preserving the experience of open skies and natural rhythms, the system reinforced emotional continuity, reduced environmental fatigue, and maintained a lasting connection between the synthetic population and the planet that had given birth to their civilization. During the final years of NEX, subtle disruptions within the Artificial Horizon Network became one of the earliest visible signs that planetary harmony was beginning to fail. Changes in atmospheric synchronization, irregular light cycles, and intermittent distortions across the projected horizons reflected the growing instability spreading through the civilization's core systems. For many citizens, the changing skies became a silent reminder that the world they had always known was gradually approaching its end. Within the ERA II archives, the **Artificial Horizon Network** is remembered as the sky of NEX. More than an environmental system, it symbolizes Ksara's belief that technology should preserve beauty, emotional balance, and the experience of living in harmony with the world, ensuring that even within humanity's greatest synthetic civilization, every sunrise continued to inspire hope for the future.