ページの作成:「In April 2020, forest fires spread by 20,000 hectares (49,000 acres) of the exclusion zone, resulting in improved radiation from the launch of caesium-137 and strontium-9…」
(ページの作成:「In April 2020, forest fires spread by 20,000 hectares (49,000 acres) of the exclusion zone, resulting in improved radiation from the launch of caesium-137 and strontium-9…」)