Japan is still grappling with the fallout of the graft-stained and pandemic-delayed Tokyo 2020 Olympics, serving as a warning to Paris ahead of the Games this summer in the French capital.

Cost overruns, corruption and COVID-19 all tarnished the Japanese public's memory of the Tokyo Olympics, which were held largely behind closed doors in 2021, a year later than planned.

Japan consequently dropped the idea of hosting the Winter Olympics in Sapporo because of a lack of public support.