https://www.youtube.com/watch?v=WHt0eAdCCns&t=5778s
https://www.youtube.com/results?search_query=TOKYO+OLYMPIaAD+1964
https://www.youtube.com/watch?v=JOIYgXzMSC4
https://www.youtube.com/watch?v=OxOdp8ka25U&t=102s
https://www.youtube.com/watch?v=vhUBGcf1XII
https://www.youtube.com/watch?v=OxOdp8ka25U&t=102s
https://www.youtube.com/watch?v=vhUBGcf1XII
https://www.youtube.com/watch?v=coM7vkwh3js
https://www.youtube.com/watch?v=fsm_v0p0UhE
東京五輪秘話！閉会式の自由な入場は1964年から始まった 東京 新宿区
https://sports.nhk.or.jp/olympic/article/legacy/23/
