"Director Xu, could this be colored sea sand?" Liu Nanwei asked curiously.
"It's not sea sand. It's river sand."
Xu Lai took the bottle, a hint of surprise and confusion in his eyes. How could something like this appear on Earth?
"Which river?" Zhou Feng asked.
"The Netherworld."
"..."
Zhou Feng and Liu Nanwei felt the temperature in the school infirmary instantly plummet by dozens of degrees, and they shivered involuntarily. When they looked at the liquid in the bottle again, it no longer seemed stunning but rather deeply unsettling.
Liu Nanwei forced a smile. "Director Xu, you must be joking. The Netherworld doesn't exist."
Xu Lai didn't respond. The Netherworld, he knew, was a river.
