Shusheng: Skyline LandMark is a real-world 3D model based on NeRF technology, achieving 4K HD training over an extensive area of 100 square kilometers, with capabilities for real-time rendering and free editing. This technology represents a new pinnacle in city-scale 3D modeling and rendering, boasting high efficiency for training and rendering, making it a robust tool for urban planning, architectural design, and virtual reality.