Paris, Gare de Lyon: Two generations of TGV trainsets side by side - 
TGV Reseau (or is it a refurbished TGV Sud-Est unit?) and TGV Duplex (bi-level).
Photo by Joerg Kuntz <J.Kuntz@t-online.de> 22.10.97

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<em>[Admin's note: That is a refurbished TGV Sud-Est unit on the right, it can
be distinguished from a TGV Réseau by the roof shape above the cab. - SM]</em>