Train from Potrerillos mine to Diego de Almagro, Chile (© Jean-Marc Frybourg/Rex Features)

Train from Potrerillos mine to Diego de Almagro, Chile (© Jean-Marc Frybourg/Rex Features)

comments,

• And you thought…""Your commute was rough
• This is where NASA goes…""When they need a Mars landscape simulation
• Tenuous hillside tracks and all…""It\s a scenic ride
• It\d be one thing if the locomotive were transporting teddy bears and pillows.""This cargo\s not so friendly