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.,Le Xia, as a rookie reporter who had just joined the Explosive News team, originally wanted to attend the press conference of the upper-level urban management department. However, she didn't even have the qualifications to enter, so she could only wander around the middle level. As a result, she stumbled upon such a once-in-a-lifetime big news.,“Hahaha, what's wrong, you dogs You afraid to come over”。