When Zhou Ziyun saw everything inside the cave, his mouth fell open, and he could not close it no matter what.
For a man over a hundred years old, he had experienced a great many things. He had also seen many strange sights in the world. But what lay before him shattered his understanding.
He said nothing and made no move, merely standing there quietly and staring at everything before him.
Everyone behind him was still some distance from the cave entrance. Looking out through the opening alone, they could not see anything.
They grew a little anxious, but since they received no response from Zhou Ziyun, they could only wait.
Seeing Zhou Ziyun's state, Zhou Ziyu felt that something was off. Worried, he used voice transmission to call Zhou Ziyun, yet received no response.
He therefore guessed that Zhou Ziyun must have encountered some danger. Without further thought, he quickly stepped forward to the cave entrance, intending to ask Zhou Ziyun what was wrong.
But the sight that met his eyes instantly robbed him of the ability to speak as well.
The entire cave was immense, like an underground world.
The cave entrance stood on the face of a mountain wall. From where they stood, the whole cave spread out before them, its space seemingly covering hundreds of thousands of square meters. As far as the eye could see, the cave was filled with green radiance.
That green glow came from a kind of green plant growing on the surrounding cliff faces. Its leaves emitted green light, illuminating the entire space.
This moss-like green plant grew everywhere inside the cave.
The entrance where Zhou Ziyun and the others stood was as insignificant as a drop in the ocean within the vast cave. To either side of it were sheer