Unfortunately this will give China a legitimate claim that the US mainland is part of China. We will probably end up in the same situation now as Taiwan, Hong Kong or the Spratly Islands. Great!!!!Heh heh... But indeed, the same problem rears its ugly head for any pre-Columbian discovery. For example, circa 1970 remains of a Roman era wreck (perhaps more than one) were found perched on a submerged reef off Brazil. The project to excavate it was scrapped when the antiquity was discovered, probably because of the fear of priority of discovery claims that could wind up in court. If it sounds idiotic, that's because it is.