New best story on Hacker News: What are those grids of glass in the sidewalk and why are they purple?
What are those grids of glass in the sidewalk and why are they purple?
514 by vo2maxer | 81 comments on Hacker News.
514 by vo2maxer | 81 comments on Hacker News.
New best story on Hacker News: What are those grids of glass in the sidewalk and why are they purple?
Reviewed by aad
on
21:04
Rating:
No comments: