The energy from the sun is transformed into electric energy by some solar panels build into the sculpture. You can follow this process through some measuring electronic instruments which are visible through a glass. This installation feeds the complete illumination of the garden.

This sculpture has also other seven surprising and even crazy functions. An integrated electronic installation captures acoustic signals and triggers them independently from their pitch. And as if this sculpture wouldn't be crazy enough you may find someone around making some odd sounds and experimenting with different tones.
They trigger all the peculiarities of this sculpture :

A double helix made out of two spirals which lay together in opposite directions is turning around