VIENNA, AUSTRIA - NOVEMBER 26: famous Graben street by night on November 26,2010 in Vienna, Austria. The Graben traces its origin back to the old Roman encampment of Vindobona.
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VIENNA, AUSTRIA - NOVEMBER 26: famous Graben street by night on November 26,2010 in Vienna, Austria. The Graben traces its origin back to the old Roman encampment of Vindobona.