Chapter 551 Underground undercurrent

Yu Wan has just connected the UAV and the computer, and several bosses have come to each other to find their own viewing positions. Ye Feng looked at it from a distance, feeling like he saw it around when he was in college. Yu Wan looked at him and snickered, "Did you do something bad?" Yu Wan is very skilled in operation. The UAV has steadily descended 40 meters. The bottom of the UAV is still invisible in black paint. Thick moss can be seen on the wall, as if through the screen you can also smell strong moist odor. The narrow and shady space makes...