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All FilesAll Files| Contributor: | |
| Keywords: | Teacher, Education, School, High School Student, Student, Blackboard, Classroom, Teaching, Instructor ...more |
| Downloads: |
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| Views: | 2392 |
| Uploaded on: | 08-16-09 © vesperstock |
| Also in: | 3 Lightboxes |
| Source codec: | HD: Photo JPEG |
| Length: | 24.27 seconds |
| Anamorphic: | No |
