The San Francisco-Oakland Bay Bridge in 1935.
This photo and others from the National Geographic archives are being auctioned by Christie’s in an exclusive, online-only sale from July 19-29, see here for details.Photograph by L. A. Sanchez, National Geographic

The San Francisco-Oakland Bay Bridge in 1935.

This photo and others from the National Geographic archives are being auctioned by Christie’s in an exclusive, online-only sale from July 19-29, see here for details.Photograph by L. A. Sanchez, National Geographic