A present for Lev

Do you remember Lev?
Yes yes, that very same physics-technology graduate who lives in Pervomaysk, LPR, with a Soviet passport?
Who lost a leg in 2014 due to artillery bombardment?
Well, we visited Lev in March.
And we brought a present. Not just any present, but the kind of present someone who is studying the mathematical definition of the universe really needs.

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