Here's a forensic description of the scene from the video: **Setting:** * Indoor auditorium or large lecture hall

Here's a forensic description of the scene from the video: **Setting:** * Indoor auditorium or large lecture hall. * Rows of seats are visible, occupied by people facing the front. * A large screen is on the front wall displaying Chinese text and the logo for Qingdao University. The text appears to relate to a medical innovation competition. **People:** * A man is standing behind a podium at the front of the room. He is wearing a suit. He appears to be speaking. * Several individuals are walking from left to right across the front of the room, appearing to exit or move to a different location. These individuals are generally dressed in business or formal attire. * Other individuals are seated in the audience, facing the front of the room. **Objects:** * Podium. * Large screen displaying information. * Chairs/seating in the auditorium. * Emergency exit door on the left-hand side of the video. **Actions:** * The man at the podium is addressing the audience. * Individuals are walking across the front of the room, likely exiting or changing locations. * The audience members are sitting and generally facing towards the front of the room, though some appear to be using their phones. **Interactions:** * Presumably, the speaker at the podium is presenting or addressing the people present in the room. * Minimal direct interaction is visible between the speaker and those who are walking or sitting. **Environment:** * The environment seems well-lit, likely with standard overhead lighting for an auditorium. * The sound is not available. * The overall impression is a formal or semi-formal event related to academia.