"How not to close the Gaza tunnels!"

FP-Pass, here

"...So, wise guy, you ask, how do you shut down the Gaza tunnels?

My answer: You don't. Or, at least, not until you permit free trade in and out of Gaza, end the Israeli-Palestinian conflict, raise income levels in northern Sinai, and pay Egyptian officials high enough wages such that they don't feel the need to take bribes.

There is no technological solution, so best of luck with the rest of it..."