OSAKA -- Expo 2025 Osaka, Kansai, opened on Sunday, as the number of people who booked to visit exceeded 140,000.
Challenges remain in reducing overcrowding, 8 overseas pavilions still not open

The Osaka Expo site is bustling with people since the opening of the event on Sunday in Konohana Ward, Osaka city, Japan. (Photo by Yo Inoue)
OSAKA -- Expo 2025 Osaka, Kansai, opened on Sunday, as the number of people who booked to visit exceeded 140,000.