Hellow guys, Welcome to my website, and you are watching 10억 광년 여행 끝에 만나는 것 [북툰 과학다큐]. and this vIdeo is uploaded by 북툰 at 2021-06-20T03:22:58-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
