Youtube activity of "송성룡" (@송성룡-f6r) on "Kurzgesagt – In a Nutshell" channel.
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UCXqB-inhIUtSYelkyhBKlmA
Commenter youtube id
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송성룡
Commenter name
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@송성룡-f6r
Commenter name id
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"Why Humans Are Vanishing"
Comments by video