On Sept 12th, Prof T. Kajita, 2015 Nobel Prize Laureate and Director of the Institute for Cosmic Ray Research (ICRR), University of Tokyo, on behalf of the University of Tokyo, host lab of the Hyper-Kamiokande experiment together with KEK, announced that the construction of the Hyper-Kamiokande experiment will start in 2020 (https://www.interactions.org/press-release/hyper-kamiokande-experiment-begin-construction-april-2020).