It is blue and it is square. But, it is also rack-and-pinion and can run in dual-mode. This is the HGem 2/2 locomotive that will be running high up in the Pyrenees. It was recently trasnported to Catalonia in Spain, along with more rolling stock for the Vall de Núria railway, operated by Ferrocarrils de la Generalitat de Catalunya (FGC).
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