The Sou Fujimoto-designed wooden Grand Ring roof for the upcoming Expo 2025 in Osaka, Japan, is coming together just under a year before the fair officially opens to the public on April 13th, 2025.
Source: https://archinect.com/news/article/150427671/sou-fujimoto-s-wooden-grand-ring-for-expo-2025-osaka-is-taking-shape