In this conversation, Emmanuel Vaughan-Lee speaks with Pulitzer Prize–winning journalist Paul Salopek, who is a decade into a remarkable journey retracing, on foot, the migration pathway taken by the first humans out of Africa tens of thousands of years ago. Speaking to us from the Liaoning province in northeastern China, Paul shares how moving at three miles per hour has deepened his personal relationship to time. As he becomes attuned to what he terms "sacramental time," the boundaries between the physical and metaphysical begin to blur into an expansive experience of timelessness. Read the transcript. Sign up for our newsletter to hear more stories as they are released each week. Photo by Paul Salopek, National Geophraphic. Learn more about your ad choices. Visit megaphone.fm/adchoices