[2021] Game editor scenario. No fog of war?

Hi!

Im doing a small scenario (will post here soon). Its a ribbon world + deathworld.

By editing the map (as player) i unraveled some of the map so that the fog of war disappeared (no fog) for some distance in both directions and then it starts again. Problem is, I don't want show new players that join (me included) almost the whole map that I have added things to (several destroyed bases for example). Atm there's no fog on all the places i have edited. (mind you, im not talking about the fog that exist when you dont have radar in that position, im talking about the black fog of war).

So my question. Is there a way to add the fog of war again?