The bit on the pioneer’s head is also its mouth. It cracks the mouth slightly and swallows a small amount of sandstone for analysis to confirm that these rock components will be discharged from the tail, and sometimes the body will be quickly decomposed and combined into shells.

Lin let the seafloor where the pilot’s pioneer is located swim with the pioneer. Lin found that the movement of the pioneer will cause slight vibration on the seabed, and these slight vibrations will cause some cracks. The longer these cracks will be, the bigger the situation will be. Many …