Core Viewpoint - The Sichuan Jianchuan Museum has publicly released rare film footage from the Second Sino-Japanese War, originally collected by U.S. Army Major Richard Vernon Hill, marking a significant contribution to historical research on the war [1][5]. Group 1: Historical Significance - The released footage includes critical moments such as the bombing of Shanghai and attacks in Hankou, providing valuable insights into the wartime experiences of civilians and military personnel [5][7]. - The film, consisting of ten reels, has been classified as a national first-class cultural relic by the National Cultural Heritage Administration, highlighting its importance [1][5]. Group 2: Personal Accounts - Major Hill documented his experiences in China from 1935 to 1940, and his footage serves as a personal diary that captures the harsh realities of war, including the suffering of civilians and the conditions of the Japanese troops [3][9]. - Alongside the footage, Hill's diary from 1945 has also been published, detailing his efforts to rescue downed Allied pilots and providing a first-hand account of the Chinese soldiers' endurance during military operations [9][11]. Group 3: Future Research Directions - The Jianchuan Museum plans to collaborate with academic institutions to further analyze Hill's diary and film, aiming to clarify historical timelines and enhance the understanding of the Chinese resistance during the war [13].