It seems to be a "Pendolino-Exhibition". Here is the tilting version of the TGV, called TGV Pendulaire, a rebuilt TGV PSE. As far as I know, there is only one prototype of this train in the moment, so it is rarely seen. Eurailspeed 98 Berlin-Grunewald. Photo and Scan by Reinhold Rennert (http://sun-ipx1.bg.tu-berlin.de/~reinhold).