Video prompt: A vibrant rooftop bar at sundown, patrons clinking glasses, the city skyline glowing below, setting the scene for an evening of relaxation and connection.
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 individuals in the stands exhibit unnatural shape changes, disrupting their stable, expected forms.