Re: They could
"You are thinking small. If you dredge deep enough then eventually there will not be enough water to fill the gap and job done !"
I've heard people ask (here in Blighty) whether someone digging a hole was trying to get to Australia, so if those down under start digging in the opposite direction, they may meet in the middle. I'm not sure this solves the original problem however.
Biting the hand that feeds IT
