The Moscow Metro, the first underground railway system in the former Soviet Union, started running on May 15, 1935.
© Sputnik / Go to the photo bankThe Moscow Metro, the first underground railway system in the former Soviet Union, started running on May 15, 1935.

The Moscow Metro, the first underground railway system in the former Soviet Union, started running on May 15, 1935.

Moscow Metro's first train making a test run.
© Sputnik / Anatoliy Garanin / Go to the photo bankIt is the 6th longest metro system in the world, and the busiest subway outside of Asia.

It is the 6th longest metro system in the world, and the busiest subway outside of Asia.
© Sputnik / Mikhail Ozerskiy / Go to the photo bank"Biblioteka Imeni Lenina" station of the Sokolnicheskaya line, Moscow Metro.

"Biblioteka Imeni Lenina" station of the Sokolnicheskaya line, Moscow Metro.
© Sputnik / Boris Babanov / Go to the photo bankMoscow Metro staff at the train depot prior to the beginning of their shifts.

Moscow Metro staff at the train depot prior to the beginning of their shifts.
© Sputnik / A. Cheprunov / Go to the photo bankMoscow Metro runs on the surface by Izmailovskaya station.

Moscow Metro runs on the surface by Izmailovskaya station.
© Sputnik / Pavlov / Go to the photo bankEscalators at the Komsomolskaya station, Moscow Metro.The deepest section of the Moscow Metro is about 243ft underground.

Escalators at the Komsomolskaya station, Moscow Metro.The deepest section of the Moscow Metro is about 243ft underground.

Crossing the bridge at Kievskaya.
© Sputnik / Ruslan Krivobok / Go to the photo bankOver 6.5 million people use the Moscow Metro every day.

Over 6.5 million people use the Moscow Metro every day.
© Sputnik / Mikhail Fomichev / Go to the photo bankThe new Reading Train of the Moscow metro at the Vorobyovy Gory station. The interior of the carriages is covered with pictures of famous book characters and passages from literary texts.

The new Reading Train of the Moscow metro at the Vorobyovy Gory station. The interior of the carriages is covered with pictures of famous book characters and passages from literary texts.
© Sputnik / Andrey Rudakov / Go to the photo bankPeople standing on the platform of the Ploshchad Revolyutsii (Revolution Square) station of the Moscow Metro's Arbatsko-Pokrovskaya line.

People standing on the platform of the Ploshchad Revolyutsii (Revolution Square) station of the Moscow Metro's Arbatsko-Pokrovskaya line.
© Sputnik / Ruslan Krivobok / Go to the photo bankWomen view paintings from the Ryazan State Regional Art Museum displayed in the carriages of the 'Watercolor Train' of the Moscow Metro.

Women view paintings from the Ryazan State Regional Art Museum displayed in the carriages of the 'Watercolor Train' of the Moscow Metro.
© Sputnik / Ruslan Krivobok / Go to the photo bank"Russian Porcelain" exhibition at Vorobyovy Gory station of the Moscow Metro.

"Russian Porcelain" exhibition at Vorobyovy Gory station of the Moscow Metro.
© Sputnik / Anton Denisov / Go to the photo bankA view from the train driver's seat passing through the Strogino-Mitino section on the Moscow Metro's Arbatsko-Pokrovskaya line.

A view from the train driver's seat passing through the Strogino-Mitino section on the Moscow Metro's Arbatsko-Pokrovskaya line.
© Sputnik / Andrey Rudakov / Go to the photo bankAn information screen at the Ploshchad Revolyutsii (Revolution Square) station of the Moscow Metro's Arbatsko-Pokrovskaya line.

An information screen at the Ploshchad Revolyutsii (Revolution Square) station of the Moscow Metro's Arbatsko-Pokrovskaya line.
© Sputnik / Mikhail Voskresenskiy / Go to the photo bankPassengers walk past turnstiles at Zhulebino station of the Moscow Metro.

Passengers walk past turnstiles at Zhulebino station of the Moscow Metro.
© Sputnik / Ramil Sitdikov / Go to the photo bankThe operator of a train dedicated to the 80th anniversary of the Moscow Metro.

The operator of a train dedicated to the 80th anniversary of the Moscow Metro.
© Sputnik / Vladimir Astapkovich / Go to the photo bankThe opening of the train parade, which is part of the celebrations dedicated to the Moscow Metro's 80th anniversary.

The opening of the train parade, which is part of the celebrations dedicated to the Moscow Metro's 80th anniversary.
© Sputnik / Evgenia Novozhenina / Go to the photo bankThe opening of the retro train cars exhibition at the Partizanskaya station, which is part of the celebrations dedicated to the Moscow Metro's 80th anniversary.

The opening of the retro train cars exhibition at the Partizanskaya station, which is part of the celebrations dedicated to the Moscow Metro's 80th anniversary.
© Sputnik / Evgenia Novozhenina / Go to the photo bankThe participants of the retro train cars exhibition, wearing uniforms, suits and dresses of the 1930s-1940s time period.

The participants of the retro train cars exhibition, wearing uniforms, suits and dresses of the 1930s-1940s time period.