William makes props for the new Star Wars films at Pinewood Studios in London. We met on the Inca Trail in Peru. I asked how places like Machu Picchu and Sayaqmarka shape his work ... and hope listening like this evaporates borders. Special thanks to the musicians, Dana Boulé and Grupo Sonkoy.

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"On est seul aussi chez les hommes."

—Antoine de Saint-Exupéry