After a gruelling train journey which took about 18 hours, we arrived in Xi'an on Friday morning. I managed to get about 5 hours sleep on the train but it was not very good quality sleep. On arrival, it was clear that the weather wasn't up to much (understatement). We arrived to torrential rain, and got a shock when I got off the train with my shorts and t-shirt on. The temperature was a mere 9 degrees celsius (Shanghai was very warm). I should have looked at the...