Core Viewpoint - The exhibition "Mountains and Rivers Forever - Revolutionary Relics of the Anti-Japanese Base in Jin, Ji, Lu, and Yu" showcases the historical significance and contributions of the anti-Japanese base during the war, emphasizing the collaborative efforts of four provinces in presenting revolutionary relics [1][2]. Group 1: Exhibition Overview - The exhibition is held at the Henan Museum Zhengzhou Branch and is guided by the National Cultural Heritage Administration and provincial propaganda departments [1]. - It features over 1,000 revolutionary relics from four provinces, with more than 280 items displayed in the main venue in Henan [2]. - The exhibition runs from July 19 to October 20, with over 30 museums and memorials across the province participating in related thematic exhibitions [2]. Group 2: Historical Significance - The Jin, Ji, Lu, and Yu anti-Japanese base was a major battlefield led by the Communist Party of China, known for its extensive influence and significant military impact during the war [1]. - The exhibition is divided into five sections, illustrating the historical progression of the anti-Japanese base and embodying the spirit of patriotism, resilience, and determination [2].