The building was 200 meters around and more than 100 meters tall. The surface was smooth with no signs of cracks, patterns, designs or writings, present its perfect curve. It was like a dark, round ball that was flipped inside out.
Such a building was insignificant before the apocalypse, as bigger and more eccentric constructions were everywhere. But at that moment, the place was infested with mutated beasts and there was no sign of mankind to be seen. In the bushes, this stand-alone building in the valley appeared to be out of place. It looked very peculiar in the night.
Luo Yuan watched in silence for a while, controlled his breath and got ready to move forward to attack. When he was only a few hundred meters away, he felt something odd.
It was too quiet.