Cathedral of St. John the Divine

This guide to the Cathedral of St. John the Divine in New York traces a construction that broke ground in 1892 and, over a century later, is still not finished. It follows a stonecutting program that began in the 1980s, when a teacher named Timothy Smith started training Harlem teenagers in Gothic stonework, and one student, Angel Escobar, who spent years moving stones before he was allowed to touch a chisel. Look up at the carved figures above the main entrance as you listen.