HN
Hacker News
Top
New
Best
Ask
Show
Jobs
Comment by woldemariam | Hacker News Reader
Parent
Full thread
woldemariam
·
What are tubes?
View on HN
eitland
·
Underground rail-type mass transit.
https://duckduckgo.com/?q=tube&t=fpas&ia=web
Reply on news.ycombinator.com