Sign in
Sign up
Pause
Mute
Subtitles not available
Off
Playback speed
0.25
0.5
0.75
1
1.25
1.5
1.75
2
Full screen
Welcome and introduction
Published on Dec 15, 2017
706 Views
Borhene Chakroun
Satellite Events
Bookmark
You need to login
Share
Related categories
Education
Society
Technology
Chapter list
Welcome and introduction - 1
00:00
Welcome and introduction - 2
00:49
