There are many obstacles in the construction of Ferris wheel, which makes critics call it "the wheel of misfortune". First of all, the height is reduced by 45 feet compared with the original schedule to reduce the construction time; Recently, various technical and safety problems have forced the installation work to be postponed.
However, these problems are insignificant compared with the achievements in design and construction. It's hard to imagine that such a ferris wheel with the greatest technology and the highest difficulty in history was designed and built within 16 months.
Thomson, the design manager, said: "Anything so huge will be affected by wind and temperature, not to mention it will rotate, so the problem of metal fatigue should also be taken into account." When these factors change with the length and width of the Ferris wheel, the most complicated architectural problems in history that you can't imagine appear. "