この音の一部が今日の日本の人々になじみのでしょうか?

rc

rc2

https://nuclearhistory.wordpress.com/2012/07/09/the-denial-of-nuclear-victims-in-australia-past/

https://nuclearhistory.wordpress.com/2012/07/09/the-denial-of-nuclear-victims-in-australia-past/


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