http://www.asahi.com/articles/ASK2B431QK2BUCVL005.html

http://www.shihoujournal.co.jp/colum/170211_1.html

http://headlines.yahoo.co.jp/hl?a=20170211-00000000-mai-soci

http://www.shimotsuke.co.jp/news/tochigi/top/news/20170211/2597122

http://withnews.jp/article/f0170210003qq000000000000000W01110101qq000014641A http://www.asahi.com/articles/ASK104SLNK10UEHF005.html