"The golden color represents gold mineral resources, so does this black color represent oil?"
Zhou Yingting carefully examined the map in front of him, speculating in his mind.
However, it could also be coal resources.
"All these densely packed factories below require way too many resources."
He simply opened up some of the resources needed for technology tree upgrades, and indeed the quantity of resources required was enormous.
On some of the technology trees he wanted to illuminate below, there were prerequisites; you need to unlock the previous technologies and have enough resources to light up the technologies behind them.
"Upgrading to Level 10 technology, I have no idea how long it will take, but judging by the construction speed here, it shouldn't take too long."
"First, build various resource collection mines: iron mines, manganese mines, rare earth resources, and such. After all, these resources will be needed later on."
