Chapter 841: Earth's Crisis, The Strong Are Respected (3)

"In fact, we can't rule out the possibility that alien civilizations are still observing Earth in a way that we don't know. Perhaps they even treated us as experimental subjects, treated the entire Earth as an experimental base? As a result, we have to think in advance if an alien civilization descends one day, will it bring a destructive disaster to Earth?"

Zhao Guofeng's worry was also the worry of the scientists. The alien civilization had officially entered the range of human vision. In the eyes of scientists, the Earth could not exclude the threat that alien civilizations could pose.

At the same time that this meeting was held, the other countries were still stuck in their interests. There had already begun to be varying degrees of friction.