The Nanjing Yangtze River Bridge, connecting Gulou District and Pukou District in Nanjing, Jiangsu Province, is the first double-decker road-rail bridge over the Yangtze River built independently by China. It represents a major milestone in both Chinese and global bridge engineering history, symbolizing a key achievement in Chinese modernization. The spirit of self-reliance and perseverance behind its construction gives this impressive structure deep spiritual significance.