Core Viewpoint - The article highlights the innovative development of traditional shadow puppetry in Tengchong, Yunnan, particularly through the creation of a 4D shadow play titled "Tengchong Past," which commemorates the historical significance of the region during the Anti-Japanese War [2][4]. Group 1: Cultural Heritage - Tengchong shadow puppetry is recognized as a national intangible cultural heritage, with a history of nearly 700 years [2]. - The puppetry has evolved through generations, with significant innovations introduced by Liu Yongzhou and his descendants, including the use of color and modern lighting techniques [2][4]. Group 2: Performance and Audience Engagement - "Tengchong Past" utilizes advanced technologies such as holographic projection and laser effects to enhance the storytelling experience, making it appealing to a wide audience, including young children [4]. - The performances are highly popular, with full houses and enthusiastic audience reactions, indicating a strong community interest in preserving and celebrating this cultural form [4][6]. Group 3: Historical Context - The narrative of "Tengchong Past" focuses on the events of 1942 when Japanese forces occupied Tengchong, detailing the struggles of Chinese troops to reclaim the town [4]. - The play serves as a reminder of the sacrifices made during the war, with the aim of educating younger generations about their history [4][6].