When it was built, it held the Guinness World Record for the "tallest fully-rotating tower" - although to be fair, there was not much competition for that particular accolade.
The 127m-tall (416 ft) steel and glass tower, the highest building in Scotland, was the only structure in the world able to rotate fully through 360 degrees from base to top.
Neil Baxter, secretary of the Royal Incorporation of Architects in Scotland says the idea was unique: "Nobody had ever tried to do that." — bbc.co.uk
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