If Mao Qiqi were here, that would be great, Su Jin and Lin Xiuyuan thought immediately.
The faint sound of knocking was too bizarre. At this moment, everything around was quiet, only the sound of wind howling through the mountain valley.
"Don't be afraid, there's no way anyone could be in this place,"
Lu Hao said calmly.
"Brother-in-law is right, he's right! Let's go and check it out,"
Lin Xiuyuan said, but he still shrank behind Lu Hao.
Lu Hao led the two to follow the sound, the zombie virus detector continuously flashing orange-red light. Different colors of light indicate the level of contamination, and this orange-red light showed that the zombie virus here was nearing its peak.
The three finally found the source of the sound—it was a layer of ice, inside which was gathered a large number of zombies!
"There must be at least hundreds of them in there,"
