What is one reason that Echelman's choice of netting for Her Secret Is Patience contributes to the viewer's understanding and enjoyment of the work?
◦ Netting is flexible and responds gracefully to the winds in Phoenix, so the work harmonizes with the city and forces of nature.
◦ Netting was an economical choice for a large public work.
◦ Fabrics had never been used in large public works or art installations.
◦ Netting was the only medium that could be dyed the colors the artist wanted.