Youtube activity of "Gergana Koleva" (@gerganakoleva4137) on "Astrum" channel.
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UCaWqJvxkpkVnfa8whBMy2MQ
Commenter youtube id
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Gergana Koleva
Commenter name
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@gerganakoleva4137
Commenter name id
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"What Milankovitch Cycles Will Do To Earth"
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