![Back-View-of-the-Students-in-the-Lecture-Hall,-Listening-to-a-Professor-Giving-a-Lecture,-One-Student-Raises-Hand-and-Asks-Question.-Video-Footage-with-Vertical-Screen-Orientation-9:16](https://v1.cdnpk.net/videvo_files/video/premium/getty_194/thumbnails/istock-1180191729_small.jpg)
Back View of the Students in the Lecture Hall, Listening to a Professor Giving a Lecture, One Student Raises Hand and Asks Question. Video Footage with Vertical Screen Orientation 9:16
1080p 00:12
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