It's the Catherine's Hall of the Grand Kremlin Palace, the outstanding place where the citizens of Russia are awarded by the leader of the state. The Hall is named in the honor of the only female Order of Imperial Russia, that was St. Catherine's Order founded by Peter The Great in 1713. The famous golden gates through which the President of Russia enters the hall (these gates are known from TV news) are to right. The detailed image of these gates is in this board.
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