Video prompt: A breathtaking aired balloon festival where a multitude of vibrant hot air balloons dot the skyline, each ascent an awe-inspiring showcase against morning light.
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: he passenger basket of the hot air balloon undergoes shape changes as the balloon ascends, creating an unrealistic effect, as it should maintain a stable and consistent structure.