Group 1 - The article highlights the historical significance of the Jialing River and its impact on the silk industry in Nanchong, Sichuan, emphasizing the region's rich cultural heritage and economic contributions through silk production [1][2] - The Liuhe Silk Factory, which originated from the Nanchong Silk No. 2 Factory, once employed over ten thousand workers, showcasing the scale and importance of the silk industry in the area during the late 20th century [1][2] - The article mentions the transformation of the small train, which was once used for transporting silk materials, into a tourist attraction, reflecting the shift from industrial production to tourism [2] Group 2 - The Liuhe area is noted for its contributions during the Anti-Japanese War, where it became a key silk production center as other regions were occupied, highlighting its strategic importance in the silk industry [2] - The article describes the modernized production facilities still in operation within Liuhe, indicating a blend of historical significance and contemporary industrial activity [2] - Cultural events, such as the performance of "The Eastern Silk Source," are taking place in the Liuhe Theater, celebrating the legacy of the silk industry and its cultural impact [4]