On you tube how do you make a video containing other you tube videos

i am currently making a powerpoint about rides at flamingo land and I want it to look like this video http://www.youtube.com/watch?v=tWZUJLhhmD8
i assume this is a powerpoint that has been uploaded to you tube , if it's not how did they do it ? as the videos aren't owned by them and they have got other peoples videos in their videos , how do I get my powerpoint to be like that ? to have videos that I don't own in it , how do I make my powerpoint look like that
Anonymous User
Anonymous User
Asked Jul 22, 2014

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