The building of New York's subway system ...

[dogtag]

Some great pictures.

https://www.dailymail.co.uk/news/art...h-Century.html

[kj47]

great photos & video, thanks for posting.

[shadycon]

ingenuity at it finest! Those were the people who built this country!

[bdm]

Thank You for posting great photos

[Mark in Ottawa]

Note that all these structures and systems were designed by civil engineers. The world would not be the same without us!!! (Of course, I only worked on airports, marine terminals and police facilities, never subways)

[barretcreek]

Note that all these structures and systems were designed by civil engineers. The world would not be the same without us!!! (Of course, I only worked on airports, marine terminals and police facilities, never subways)

Mechanical engineers build weapons. Civil engineers build targets.

[dogtag]

Mechanical engineers build weapons. Civil engineers build targets.

Good one