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By Ayaka Yamane and Jo Ishibuchi / Yomiuri Shimbun Staff Writers
17:54 JST,
April 30, 2025
OSAKA — A system utilizing a smartphone app to identify trash and dirty areas and then swiftly clean up is being employed at the 2025 Osaka-Kansai Expo in Konohana Ward, Osaka. Autonomous trash can robots have also been introduced, helping to enhance the image of the Expo.