Wei Kang and others had already accepted, albeit reluctantly, that the loud noise was from the earthquake. It may be a small earthquake with some thunder and heavy rain. However, after hearing the second loud noise, no one could stay calm. What earthquake made sounds at such regular intervals and pitches? The direction and volume of the sounds were almost the same. It did not sound natural.
"This... What is going on here? Still an earthquake?"
They looked at each other suspiciously.
Wei Kang was also speechless.
The expedition team consisted of individuals with high academic qualifications. Their IQs may not be much higher than those of ordinary people, but they were unlikely to be lower. However, they had lived in their ivory towers for some time and did not have much experience. With time, they would get better.