Credit: Institute for Cosmic Ray Research, the University of Tokyo
The groundbreaking ceremony for the Hyper-Kamiokande, a new world-leading international scientific research project which is set to start experiments in 2027, was held at its construction site in Hida City, Gifu Prefecture, Japan on May 28, 2021. As nine areas including Tokyo and Osaka were under the COVID-19 state of emergency, about half of the 50 participants attended online. (Cited from the following article)
For details, please check the article of the University of Tokyo.