Step 1 : Introduction to the question "7. This world-famous Russian railway traverses 8 time zones in a time period of 7 days. Its main route is Moscow-Vladivostok."
...1. Frontier Mail 2. Northland Express 3. Brenner Express 4. Trans-Siberian Railway This railway travels 9288 km and was built between 1891 and 1916. Its route also branches out to Mongolia and China. Russian and Mongolian tracks are broad gauge whereas Chinese tracks are metre gauge hence there is a break of gauge at the Chinese border. Each Chinese carriage has to be lifted to be changed.
