Video prompt: A llama trek through the Andes, where these gentle animals lead hikers along ancient trails amidst the stunning backdrop of towering mountains and open skies.
Defect: Deformation (when Object is involved in an act,  anything in this process that's weird. e.g. people walk into a wall. "Walk" is an act)
Explanation: the stone on the path change shape and appearance as the camera shifts, which is also inconsistent with expected stability.