TOKYO, JAPAN - SEPTEMBER 12: Aerial view of the Tokyo Tower on September 12, 2013 in Tokyo, Japan. Tokyo was selected as the site of the 2020 Olympics. (Photo by Atsushi Tomura/Getty Images)Atsushi Tomura via Getty Imagesこのエントリは、期限切れになった関連記事関連記事地震災害災害 対策社会被害試算