# How many cities have large underground complexes?

**URL:** <https://boards.straightdope.com/t/how-many-cities-have-large-underground-complexes/265258>\
**Category:** Factual Questions\
**Created:** [September 21, 2004, 3:45am UTC](https://boards.straightdope.com/t/how-many-cities-have-large-underground-complexes/265258 "2004-09-21T03:45:26Z")\
**Posts on this page:** 1\
**Page:** 4

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**Author:** ![HPL](https://avatars.discourse-cdn.com/v4/letter/h/3da27b/32.png) [@HPL](https://boards.straightdope.com/u/HPL)\
**Post date:** [September 22, 2004, 5:44pm UTC](https://boards.straightdope.com/t/how-many-cities-have-large-underground-complexes/265258/61 "2004-09-22T17:44:46Z")

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I don’t know if it counts, but Portland, OR has a series of underground tunnels built under the downtown area. They are no longer in use except for tours, but back in late 19th-early 20th centuries they were used by smugglers, thieves and kidnappers.

They were called Shanghi Tunnels by some.

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