The space beyond the snow-white stone door was unimaginably vast. The moment Chu Han stepped inside, he was certain that this secret base had been built beneath the sea. Otherwise, there was no way that small island above could have accommodated such an enormous underground structure.
The broad, towering space was larger than a football field, with an exceptionally open view. Chu Han also carefully noticed that the walls here were made of the same material as the passage outside. He had no idea what it was, nor did he understand why it emitted light on its own, but that did nothing to diminish his shock at seeing so many walls made from such a peculiar material.
He had never seen anything like this in the entire ten years of the apocalypse in his previous life. It definitely was not an ordinary light-emitting object. More importantly, the light given off by these walls was so soft it reached an almost exquisite level, perfectly suited to human eyes.
Was this thing really from Earth?!
As Chu Han stood there in a daze, Gao Shaohui had already strode forward impatiently. He did not spare even a glance for the neatly arranged rows of strange objects in the space, heading straight for the very center.
Chu Han halted as well, his gaze fixed ahead.
There, quietly parked, was a broad, flat, oval-shaped mechanical object. It looked much smaller than the helicopter they had acquired, but it was by no means tiny. Even standing two meters away, Chu Han could feel its imposing presence.
Its outer shell appeared flawlessly smooth, its entire body an eerie dark shade with a powerful metallic texture. Yet Chu Han could not describe exactly what color it was. It seemed black with dark gray mixed in, but upon another