简介：　　In 2013, an Australian man a few months shy of turning 60 decided to walk the Camino de Santiago – an 800km pilgrimage trail across the top of Spain. He had no known religion, and absolutely no idea why he felt so deeply compelled to do this torturous walk.<br />But compelled, he was.<br />He completed the walk, battling a “triumvirate of pain” - a knee that he later discovered lacked an...…