Manganese glass prisms mounted in the sidewalk to illuminate the earlier (pre-1889) lower level sidewalks.
- Author
- matthucke
- Created on
- Saturday 3 December 2016
- Posted on
- Thursday 5 January 2017
- Keywords
- manganese glass, seattle, seattle underground, seattle underground tour, skylight, victorian
- Albums
- Visits
- 724
- Rating score
- no rating
- Rate this photo
0 comments
Add a comment