Wu Yuan, an inheritor of the paper shadow puppet play, introduces the play to students at Nangu Primary School in Heling Township of Yuhu District, Xiangtan City of central China's Hunan Province, Nov. 12, 2021. Paper shadow puppet play is a provincial intangible cultural heritage. (Photo: Xinhua)

Wu Yuan, an inheritor of the paper shadow puppet play, presents the history of the play to students of Nangu Primary School in Heling Township of Yuhu District, Xiangtan City of central China's Hunan Province, Nov. 12, 2021. Paper shadow puppet play is a provincial intangible cultural heritage. (Photo: Xinhua)

Wu Yuan, an inheritor of the paper shadow puppet play, demonstrates the play to students at Nangu Primary School in Heling Township of Yuhu District, Xiangtan City of central China's Hunan Province, Nov. 12, 2021. Paper shadow puppet play is a provincial intangible cultural heritage. (Photo: Xinhua)

Wu Yuan, an inheritor of the paper shadow puppet play, performs with a student at Nangu Primary School in Heling Township of Yuhu District, Xiangtan City of central China's Hunan Province, Nov. 12, 2021. Paper shadow puppet play is a provincial intangible cultural heritage. (Photo: Xinhua)

Wu Yuan, an inheritor of the paper shadow puppet play, performs with a student at Nangu Primary School in Heling Township of Yuhu District, Xiangtan City of central China's Hunan Province, Nov. 12, 2021. Paper shadow puppet play is a provincial intangible cultural heritage. (Photo: Xinhua)

Students of Nangu Primary School try their hands on paper shadow puppet play in Heling Township of Yuhu District, Xiangtan City of central China's Hunan Province, Nov. 12, 2021. Paper shadow puppet play is a provincial intangible cultural heritage. (Photo: Xinhua)

Students of Nangu Primary School experience paper shadow puppet play in Heling Township of Yuhu District, Xiangtan City of central China's Hunan Province, Nov. 12, 2021. Paper shadow puppet play is a provincial intangible cultural heritage. (Photo: Xinhua)