fun videos on youtube

https://www.youtube.com/watch?v=klUweWE-u6A

https://www.youtube.com/watch?v=cOmdkN6MOwU

https://www.youtube.com/watch?v=MKEqVWmzX0Y

https://www.youtube.com/watch?v=gW2SEpWWqXM&t=32s