Some Mexican migrants take an underground route to US
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" The 23-mile network leads to more than 500 manholes scattered across about 2 square miles. From these openings, mud-covered migrants crawl out into streets, busy intersections, and parking lots, creating a dizzying guessing game for US Border Patrol agents.
"They're popping up all over the place," said Joe Perez, the agent in charge of the area "
http://www.boston.com/news/nation/articles/2006/05/26/some_mexican_migrants_take_an_underground_route_to_us/
We're weird posting this almost at the same time LOL