C121 Mysterious multicolored stone

"Uncle Yu, it's so strange. If these medicinal herbs were placed on the flat land, why haven't they lost any medicinal effects?"

Song Ziyang looked at the medicinal herbs on the floor with suspicion. Each stalk had no soil to cultivate it with, but it had been so many days, how could it be as good as it was before?

Vice-President Yu laughed out loud: "You finally found the problem