We got on the train in Ulan Bator for a 30 hour trip across the border and into Beijing. For the first train trip in about 3 weeks we were not in the same carriage as our Aussie companions (Matt and Patrina). This was probably more of a shock than we had realised, as we had built up a cheeky rapport with them. Even worse, we had been put togther with our arch nemeses, the 'know it all travellers' who had been vexing us on and off for a couple of weeks. Th...