Core Points - The exhibition titled "Preserving the Heritage: Achievements of National Intangible Cultural Heritage Representatives" showcases the results of a decade-long project initiated by the Ministry of Culture and Tourism in 2015, focusing on the documentation of national intangible cultural heritage representatives [2][6] - The project has recorded 1,279 national intangible cultural heritage representatives out of 2,290 targeted individuals, with a total of 75,548.9 hours of raw material collected, amounting to 2,969.7 TB of data [6] - The exhibition features interactive displays that allow visitors to explore information about various ethnic groups and their intangible cultural heritage, emphasizing the diversity and richness of Chinese culture [7][8] Documentation Achievements - The project has successfully collected and documented traditional techniques, such as paper-making, which correspond with historical texts like "Tiangong Kaiwu" by Song Yingxing [3][5] - The documentation includes 20,880.2 hours of audiovisual materials, with oral history transcripts totaling 14,831.8 million words, involving 9,156 interviewees [6][9] - The methodology for documentation includes a "3+1" approach, focusing on oral history interviews, project practice recordings, and teaching methods of the heritage representatives [9][10] Cultural Significance - The project highlights the importance of preserving intangible cultural heritage as a means of safeguarding cultural identity and history, with the National Library serving as a repository for these records [5][11] - The exhibition also pays tribute to the late representatives, with nearly 500 photographs displayed in black and white to signify those who have passed away, underscoring the urgency of the documentation work [12][13] - The initiative aligns with UNESCO's 20th anniversary of the "Convention for the Safeguarding of the Intangible Cultural Heritage," emphasizing the fragility and resilience of such heritage [11][12]