A Geiger counter shows a radiation level of 231 microsieverts

FILE PHOTO: A Geiger counter shows a radiation level of 231 microsieverts per hour near the damaged No. 3 reactor building at the tsunami-crippled Fukushima Daiichi nuclear power plant in Okuma town, Fukushima prefecture, Japan March 1, 2021. Picture taken March 1, 2021. REUTERS/Sakura Murakami