Youtube ライブ配信 視聴者数 Poll of the Day

http://devindbws233.image-perth.org/the-advanced-guide-to-youtube-raibu-pei-xin-shi-ting-zhe-shu

This fashion you may become a professor, who teaches the miracles of astronomy, or maybe even get a position at NASA. That might be incredible! Imagine telling individuals you recognize that you work for NASA.