Core Points - The 15th National Games will take place from November 9 to 21, 2025, in Guangdong, Hong Kong, and Macau, featuring a mascot based on the Chinese white dolphin, a nationally protected species [1] - A documentary film titled "Chinese White Dolphin" has been previewed at the 4th Chinese Documentary Film Festival, receiving positive reviews, and will be released in theaters during the National Games and the Special Olympics [1][2] - The film, directed by Yan Dong, is a sister piece to the award-winning documentary "Hong Kong-Zhuhai-Macao Bridge" and focuses on the journey of a dolphin named "Zhu Zhu" against the backdrop of the bridge's construction and the National Games [2][3] Environmental Significance - The Chinese white dolphin is the only marine mammal named after China and is classified as "vulnerable" by the IUCN Red List, with an estimated global population of around 6,000, of which approximately 4,500 are found in Chinese waters [2] - The film highlights the ecological balance between economic development and environmental protection in the Guangdong-Hong Kong-Macao Greater Bay Area, emphasizing the philosophy of harmonious coexistence between humans and nature [4] Production Details - The documentary took six years to produce, involving extensive marine filming across multiple countries and regions, covering over 3,600 nautical miles, and including interviews with 21 scientists and 17 conservationists [4] - The film aims to authentically document the living conditions of the Chinese white dolphin, showcasing the efforts of both Chinese and international researchers in conservation practices [3][4]