In a place like that, it's possible the gases from decomposition may cause movement.
In Funeral Service, sometimes there would be very slight movement in the fingers, depending on how recent the deceased was deceased. Warm body, cold embalming fluid.
34 posted on 03/30/2021 8:31:48 AM PDT by real saxophonist
(Weijia Jiang can see racism anywhere. Except in the mirror.)