The first train ride was a more than incredible experience for Elizabeth. Along with Professor Knudlac, Johnny and Alexander with whom she spent the journey in that train compartment, she learned many things and stories.

Out of the window, they could see the sand caves of touareg wizards. Those magic caves crossed by the train, which they left behind, were dwellings of those touaregs that changed size and shape according to their inhabitants' will.

The sand moulded with those ...