"The Gold Green Sand extracted from Lan Green Stone not only has incredible light-conductive properties, but it can also shield against cosmic particle interference. A Starship's ability to navigate safely through the various hazardous environments in space depends on the amount of Gold Green Sand it contains. The more you add, the stronger its resistance to interference becomes." Even Yun Han, despite his noble birth, was visibly moved by the sight of so much Lan Green Stone.
"Let's mine as much as we can. When we sell it, everyone gets a share." Ning Xuan felt that the mouthful of sand she'd just been forced to swallow hadn't been in vain. This was certainly a payoff.
The hard rock was much more difficult to dig through than sand. Half an hour later, the sound of flowing water grew louder. They had broken through the rock layer and found an underground river.
The moment the cavern housing the underground river opened up, a wave of damp air washed over them.
