Copenhagen Stock Exchange is one of the exchanges of Omax Group in Sweden. It is located on Longlini Island. The Exchange is a Renaissance building, built in 1624. It is the oldest and still used stock exchange in the world. It is also the most distinctive building in Copenhagen. It is topped by a bronze spire with four dragons. Passing by by bus, the tour guide said that it was the oldest stock exchange in the world and still in use. He snapped a picture quickly, only the top. Fortunately, there are four dragon-wound bronze minarets on the top.