Taking a holiday on the Trans-Siberian Railway is on most people’s bucket list, and for good reason, as this epic train ride crosses the wild and untamed territory of Russia – from Moscow to Vladivostok – which is more than 8,500km and spans 7 time zones. Most people choose to include Mongolia when booking their trip, and with that in mind, here are some essential items that should be in your luggage when you embark on what will surely be the holiday of a lifetime.