Japanese source: https://www3.nhk.or.jp/news/html/20231128/k10014271311000.html
https://www3.nhk.or.jp/news/html/20231128/k10014271311000.html
Japanese source: https://www3.nhk.or.jp/news/html/20231128/k10014271311000.html
https://www3.nhk.or.jp/news/html/20231128/k10014271311000.html