How did Tokyo 2020 promote cultural exchange and diplomacy between Japanese citizens and other countries?

India, Rwanda and Argentina – how did Tokyo 2020 promote cultural exchange and diplomacy between Japanese citizens and other countries?

Introducing Host Town Initiative which is unique to Japan-

Website: https://www.sportanddev.org/en/article/news/grassroots-sport-diplomacy-through-lens-japans-host-town-initiative-tokyo-2020