The tunnel intended for smuggling ran from a neighborhood in San Luis Río Colorado, Mexico, to San Luis, Arizona, where it stopped short of reaching the surface.
You're right Rocky. I did miss that.
The deer hunter does not notice the mountains
"I fear all we have done is to awaken a sleeping giant and fill him with a terrible resolve" - Isoroku Yamamoto
There sure are a lot of America haters that want to live here...