Core Viewpoint - The article discusses the unique characteristics and cultural significance of the bronze sacred trees from the Sanxingdui archaeological site, highlighting their artistic and technological innovations as well as their connection to ancient mythology [12][16][19]. Group 1: Cultural Significance - The bronze sacred trees, particularly the three-headed bird and human figures, represent the ancient Shu people's worship of the sun and nature [8][17]. - The design of the sacred trees reflects a blend of beauty and rebellion, challenging conventional forms of growth and aesthetics [10][16]. - The three-headed tree's resemblance to the mythical Fusang tree, which is associated with the sun, emphasizes the cultural and mythological connections of the ancient Shu civilization [16][22]. Group 2: Technological Innovations - The bronze sacred trees were created using advanced casting techniques, including segmented casting and the use of core support structures, which are rare in the bronze casting practices of the Shang and Zhou dynasties [19][20]. - The craftsmanship involved in the creation of the sacred trees showcases meticulous attention to detail, with multiple casting processes for even the smallest components [22]. - The CT scans reveal the structural integrity and complexity of the sacred trees, indicating a high level of skill among the ancient artisans [19][24].