The 64th International Mathematical Olympiad, where math enthusiasts from all over the world compete to solve challenging problems, took place from July 2 (Sunday) to July 13 (Thursday) in Makuhari, Chiba Prefecture. This event marks the first time Japan has hosted the event in 20 years since the 44th competition in 2003. Six hundred eighteen participants (including 67 female students) from 112 countries and regions attended. Including accompanying officials, over 1000 people gathered in Japan. Please enjoy the lively scenes from the opening and closing ceremonies.