Entertaining arithmetic, Кольская сверхглубокая скважина

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How many people will fit in the Kola Superdeep?

How many people will fit in the Kola Superdeep? - My, , Entertaining arithmetic, Drilling, Longpost, Kola Ultra-Deep

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Drilling Entertaining arithmetic Kola Ultra-Deep Кольская сверхглубокая скважина

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