The challenge is always to use materials in a new and different way, and make them convey meaning and portray form in a manner that has not previously been seen.
Andrew Rogers created a pristine white structure edged in 23-carat gold to reflect the sun each morning as it rises over the Arava Desert, Israel.
The Rhythms of Life site stretches over one square kilometre near ancient Nabatean ruins and a spice route from antiquity. Ratio was completed in 2004 based on the proportions of the golden ratio. It is located on a mountaintop not far from Sapir, measuring 32m long x 8m high.