I stepped off the over-night ferry into Dar Es Salaam with Esther at 6am, bleary-eyed and lost, and we started off oh so sensibly by walking aimlessly in a random direction of our choice. Once our brains kicked in and woke up, we realised we should probably head back to the port where all the taxis were and get one to the Tazara train station so we could get our tickets for later that day: my "booking" had been made by sending a text to the friend of the bartende...