Am I stupid? If you can tunnel down and hit those other countries, than the opposite should be true, the countries you can drill down to are the same you drill down to from the other side, so that would include Canada and Southeast Asia according to this very map.
Am I stupid? If you can tunnel down and hit those other countries, than the opposite should be true, the countries you can drill down to are the same you drill down to from the other side, so that would include Canada and Southeast Asia according to this very map.