Russian President Vladimir Putin (2R), Moscow's Mayor Sergei Sobyanin (R), Prime Minister Dmitry Medvedev (L) and his wife Svetlana Medvedeva (2L) attends the Orthodox Easter mass at the Christ The Saviour Catherdal, in Moscow, Russia, May,1, 2016. Russian President Vladimir Putin, Moscow Mayor Sergei Sobyanin, Prime Minister Dmitry Medvedev and his wife Svetlana took part an Orthodox Easter service held by Patriarch Kirill at the biggest Russian Orthodox Cathedral.