Hazard a guess at:
"Quantum Cloud" is a 30 metre high x 16 metre wide x 10 metre deep elliptical cloud sculpture which stands on four cast iron caissons in the River Thames adjacent to the O2 arena and the Emirates Air Line cable car in London, UK. It is the work of "Angel of the North" sculptor, Antony Gormley, and is formed from 1.5 metre long lengths of randomly oriented steel sections which diffuse at the edges and condense into a 20 metre high human body form at the centre. At the time of its construction it was the tallest sculpture in the UK. The engineering design team of Elliott Wood Partnership and LUSAS consultancy services worked closely with the Gormley to develop the full scale realisation of his vision for the client, the New Millennium Experience Company. Fractal growth software written by LUSAS was used to develop the structural form, and modelling and analysis with LUSAS finite element analysis ensured the unique structure was fit for purpose.