In the photo, the meeting of two convoys Translohr STE3 of this tram system, with driving single-track, while the three articulated cars, run on tires ensuring very low noise.
The Tramway Translohr STE3 as can be seen in this photo, in the absence of wire, the power is taken from the batteries.
Translohr STE3 system, uses a single-track driving, while the three carriages articulated, running on tyres.