"By the way, could you have one of your subordinates go down to verify?" Qu Dong asked.
"No need. We can just tie a stone and lower it down, right?" Wei Chenghe had not forgotten the horrifying condition of the dead bodies he had recently seen.
"Did you apply for helicopter rescue?" Qu Dong lit up the two people on the opposite side with his flashlight.
"Yes, it should take about thirty to forty minutes." Wei Chenghe nodden in response.
About ten minutes later, a police officer brought over a rope and followed Wei Chenghe's method by tying a stone to it and lowering it down. The test indicated the depth was around ten meters. However, this result wasn't exactly accurate because the excavated mud would pile up on both sides of the indentation and fill up the gaps, implying the distance below was definitely more than ten meters.
"Do you have a way to determine this?" Qu Dong frowned.
