Uploaded on 2015-04-28 by Jonojarvis

![enter image description here][1] [1]: https://edxuploads.s3.amazonaws.com/14301845628008384.jpg The main structural element is steel, mined and manufactured in Australia, which is one of the largest iron ore producers in the world. The facade is glass, manufactured in China. China is a very low cost producer of manufactured glass due to economies of scale and low wages, making it very affordable for NZ construction companies.