Gates on the Station Vistovochnaya of Moscow Metro Editorial Photography - Image of barrier, rapid: 126458782
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Fares and options - Единый Транспортный Портал
.jpg "Cardboard tickets, 5-rouble coins and the Troika card: The history of Metro fare options / News / Moscow City Web Site")
Cardboard tickets, 5-rouble coins and the Troika card: The history of Metro fare options / News / Moscow City Web Site
Moscow Metro to Implement 'FacePay' Fare Payment System - The Moscow Times
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How to use a Troika card on Moscow's Metro, and other ways to buy tickets - Russia Beyond
Moscow Metro tests fare payments by facial recognition
