The opening ceremony of the 61st International Mathematical Olympiad 2020
The organizing committee of the 61st International Mathematical Olympiad 2020 is welcoming you on the official site of the olympiad!
The opening ceremony will be held via online translation on the 20th September at 12:00 (UTC) accessible via link: www.youtube.com/channel/UCYxJDBiB5_etj-B_HVqkOaQ