The Secret Life of the Moscow Metro
Famous for its elegant marble walls, high ceilings and chandeliers, the Moscow Metro is among the cleanest and the most efficient in the world.
Every day, millions of Muscovites and visitors of the capital use the Moscow Metro. But only a few know what happens there during the night.
When the doors close at 1 a.m., metro staff clean the stations, repair the trains and carry out safety checks.