A spiral staircase descends from the glass deck to the rain garden, which replaced a concrete pad.  Photo 9 of 10 in A San Francisco Edwardian That Survived the Great Quake Is Revived by a Modernist Architect

A San Francisco Edwardian That Survived the Great Quake Is Revived by a Modernist Architect

9 of 10

A spiral staircase descends from the glass deck to the rain garden, which replaced a concrete pad.