Hollow world, what are you think . Thank you

Hi world, this is my best video. I introduced on this video ,how to make thumbnail. What is thumbnail?  It  is good for get views. You can make it
Beautifully. I taught how can make it beutifully and easy. I think you will
Watching my video . THANK YOU ! ☺

Hollow world, my 2nd unboxing

This is my new video.  I am introduced a 12000 amh power bank .
It's brand is xiomi . But It's not very good brand. But It is MI budget power
Bank.Please shere  my website and my Chantal. THANK YOU ☺