When Julie Aldridge's mosaic was bought by an international client in 2013, it seemed like an unlikely success story.The artist, from Port Lincoln, South Australia, had originally created the Sunset Wave design for an exhibition at the Barossa Regional Gallery. It did not sell."There were no buyers, so I just kept it at my place," Aldridge said.Julie Aldridge lives and works in Port Lincoln, a regional coastal city on South Australia's Eyre Peninsula. (ABC Eyre Peninsula: Duncan Bailey)Months later, Aldridge was contacted by a man in the US who wanted to buy the mosaic. She had been surprised how he...