15 – 16 March, 2014 ~ I feel the urge to pinch myself; am I really going to do this? The madness of what I’m about to do hasn’t really sunk in yet. Finally, more than two hours after its scheduled departure, the train arrives. Three diesel locomotives chug by; five minutes later, the lone passenger car, at the very end of the train, becomes visible. Inbetween are somewhere between 1.6 and 2.3 kilometers of open-topped freight cars. This is Mauritania’s economic lifeline; the iron ore train – one of the longest trains in the world – on a continuous journey back and forth between the mines of Zouerat, deep in the Sahara desert, and the port of Nouadhibou.