Yuriko Koike (C), Governor of Tokyo attends the opening ceremony of " SusHi Tech Tokyo", meaning Sustainable High City Tech Tokyo at Miraikan, the National Museum of Emerging Science and Innovation in Koto Ward, Tokyo on April 27, 2024. The Tokyo Metropolitan Government has launched a new concept event to create "sustainable new values to challenge global urban issues, such as environmental and food problems. Approximately 500,000 people are expected to join the events at four venues: Miraikan, Symbol Promenade Park, Umi-no-Mori Area, and Ariake Arena until May 26th. ( The Yomiuri Shimbun via AP Images )