Now believe not visitors rather than vexations are to blame. vibration, even subtle vibration at night and he was moving a little bit during the night. if vibrations are causing this statue to move, why are the others remaining still? the statue at the base is not flat. it s convex. the other pieces in the case are flat and more secure. one mystery remains, why did it take 80 years for the statue to start moving? essentially he was not moving before because he was properly secured when we redisplayed the galleries. we had not thought about securing him in the way that they were the other statues. ....