Sefa Karacan/Anadolu Agency/Getty Images(MOSCOW) -- The Moscow Metro is more than just a means of transportation.
It reveals a lot about the city. Some of the other stations -- Kievskaya, Mayakovskaya and Plozhad Revoluzii -- are old and classic, with bronze statues, ceiling murals and bright mosaics.
The Myakinino and Delovoy Centre stations are more modern and technologically-equipped.
But the Moscow Metro is its own underground world. Now, people can own a part of its history.
On Dec. 25, Mos..