Core Viewpoint - The article highlights the legacy and influence of Buster Keaton in the silent film era, emphasizing his unique comedic style and innovative techniques that have inspired many filmmakers and continue to resonate in modern cinema [1][2][18]. Group 1: Buster Keaton's Influence - Buster Keaton's film aesthetics have left a significant mark on various filmmakers, including Jackie Chan and Wes Anderson, showcasing his impact on modern cinematic techniques [2][3]. - Keaton's commitment to originality in comedy is evident in his belief that humor should be based on "first-time surprises," leading to the creation of unique comedic moments [2][4]. Group 2: Innovative Techniques - Keaton's films often feature elaborate stunts and mechanical precision, exemplified in "The General," where he performed dangerous stunts without the use of doubles or special effects [4][7]. - His innovative use of film language, such as the non-linear narrative in "Sherlock Jr.," prefigured concepts of time and space in cinema, influencing future filmmakers [5][6]. Group 3: Thematic Elements - Keaton's films often explore themes of absurdity and the human condition, with characters facing surreal challenges that reflect societal issues [5][12]. - The recurring motif of trains in Keaton's work symbolizes both progress and the mechanical nature of modern life, serving as a backdrop for his physical comedy [7][8]. Group 4: Legacy and Recognition - Despite facing challenges in the transition to sound films and a decline in popularity, Keaton's work has been rediscovered and celebrated, particularly through film festivals and restorations [16][18]. - The upcoming Shanghai International Film Festival will feature a special section dedicated to Keaton, highlighting his enduring legacy and the timeless nature of his silent films [1][18].