Lecturer Tells And Shows Presentation On The Scene To Packed House Of Listeners Extremely Close Up 00:07

Name: lecturer tells and shows presentation on the scene to packed house of listeners - extremely close up
Uploaded: 2016-09-25 14:31:12
Duration: 7 s
Channel: KONSTANTIN SHISHKIN
Description: lecturer tells and shows presentation on the scene to packed house of listeners - extremely close up