Santa Fe Opera’s Young Voices program

History scholar Ana Pacheco leads the 135-minute Santa Fe Revisited walking tour, covering 400 years of history of New Mexico’s capital city.

Her upcoming talk Eye on Santa Fe: Santa Fe’s Early Photographers promises to be easier on listeners’ feet.

Unlike newer cities such as Las Vegas, Nevada, Santa Fe was around for centuries before the advent of photography in Europe around 1839. The earliest known image of the Plaza was taken in 1851. Pacheco, the cityhistorianfrom2015to2017,willsharesuchfactsduringanhourlong presentation. She has written eight books about New Mexico history and was the founding publisher and editor of La Herencia, a quarterly magazine about the state’s history that was published from 1994 through 2009. — B.S.

4 p.m. Thursday, March 7 (waitlist as of press time) followed by an “encore” presentation at 5:30 p.m.

Santa Fe Public Library

145 Washington Avenue

Eye on Santa Fe: Santa Fe’s Early Photographers. Santa Fe Plaza as it appeared to Reuben Gentry on his 1883 visit. The Seligman Building at right was on the site of Gentry’s store. Ana Pacheco, the city historian from 2015 to 2017, will deliver a presentation titled