"The inner part of the circle represents the "Solar", the exterior is the "Reef", and that's where [Langoussis] started to think about the fact that all of our life on Earth exists because of the sun…", says Behrens. Sojouner: Solar Reef is on display in the Sioux City Art Center 's Permanent Collection on View exhibition. Love Art + Radio , subscribe to the podcast on iTunes , Google Play , and Stitcher . Produced by Jorge Quezada