Video Details

Female Hand Writing Formulas On Blackboard With Chalk Close Up 20 S 4 K 

Contributor: sibstock
4KMOV (mjpeg) - 244.8 MB
4KMP4 (h264) - 11 MB
HDMOV (mjpeg) - 25.4 MB
HDMP4 (h264) - 1.9 MB

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