10th Anniversary International Symposium of Tomioka Silk Mill and Related Sites "The Further Evolution of Authenticity through the Lens of Heritage Ecosystems: Heritage, Communities, and Sustainable", Gunma Prefecture and its partner organizations, ICOMOS Japan, 10 Jan. 2025, 11 Jan. 2025, The international symposium, “Further Evolution of Authenticity through the Lens of Heritage Ecosystems: Heritage, Communities, and Sustainable Development,” was held at the Gunma Music Center in Takasaki City, Gunma Prefecture, Japan, on 10–11 January 2025. It was hosted by Gunma Prefecture, in collaboration with its partner organizations and ICOMOS Japan, with generous support from the Agency for Cultural Affairs, Government of Japan. The symposium marked the 10th anniversary of the inscription of the Tomioka Silk Mill and Related Sites on the World Heritage List. The event brought together about 80 heritage experts from 19 or more countries, including Japan, as well as members of the public from Gunma and other parts of Japan, to discuss the challenges and opportunities in heritage conservation, using this site as a case study. The symposium also celebrated the 30th anniversary of the Nara Document on Authenticity, which was adopted in 1994 in Japan. Reflecting on the past three decades of ideas about heritage authenticity and their applications, participants shared their experiences and learned from one another.
As the symposium outcome, ”Gunma Declaration on Heritage Ecosystems” was adopted.