Ordnael
Emperor
I've been off an on playing civ vi for some years now and I never used the military engineer for this...In Civ6 mountains are still impassable, but with research you can gain ability to build tunnels. But you only build tunnel entrances, which within same mountain chain automatically become connected, and function like teleportation gates. You enter at one entrance, and emerge at another instantly, no matter how many mountain tiles are between them. Just like in real life![]()
Can you build the tunnels in mountains outside your hexes?