This is NOT a train, in the sense of steel wheels on steel rails. Unlike some Paris metro lines that run on tires but have "train wheels" also, this one just runs on rubber tires. The 3 strongly supported bars on insulators on the left seem to be the energy supply. The white strip in the centre of the road must be an electronic guiding device.
http://en.wikipedia.org/wiki/People_mover
http://en.wikipedia.org/wiki/New_Shuttle
In this link scroll down to 'fleet' for a litte tech info about the stock
http://translate.googleusercontent.com/translate_c?hl=en&pr..6Vz8w
This link gives an in depth view of the 2000 series on the same line
http://translate.googleusercontent.com/translate_c?hl=en&pr..kJNeA