https://s3.envato.com/files/32b30634-17a3-457f-bba0-656f66db70ae/video_preview_h264.mp4

Videohive - Back view of man thinking in front of moving maths calculations on chalkboard - 35623498

https://videohive.net/item/back-view-of-man-thinking-in-front-of-moving-maths-calculations-on-chalkboard/35623498

 TO MAC USERS: If RAR password doesn't work, use this archive program: 

RAR Expander 0.8.5 Beta 4  and extract password protected files without error.

 TO WIN USERS: If RAR password doesn't work, use this archive program: 

Latest Winrar  and extract password protected files without error.

 envail   |