All of this is thanks to the new materials brought by the planetary impact. Humanity survived once again, and afterward, they divided themselves into cities, each within a vast isolation wall, gradually restoring their ecosystems to allow for human survival and reproduction.,For a moment, the hall descended into chaos as questions flew one after another.,In the blink of an eye, the big man charged over. The onlookers cried and scattered, only Yue Xiao knelt on the ground, terrified by this sudden change and unable to move. Those policemen who were hit by the flames lay on the ground, groaning in pain.。