well that would definitely solve the tunnel problems but they would not be able to do such a thing without everybody including us noticing, its quite easy to see bodies of water draining into tunnels; and the amount of water required to fill stuff like that is unrealistic to be simply moved
Flooding the tunnels?
well that would definitely solve the tunnel problems but they would not be able to do such a thing without everybody including us noticing, its quite easy to see bodies of water draining into tunnels; and the amount of water required to fill stuff like that is unrealistic to be simply moved