Hellow guys, Welcome to my website, and you are watching [과학뉴스] 코로나19 '심각'에서 '경계'로 하향.. '엔데믹' 시작 / 23.05.31. and this vIdeo is uploaded by YTN 사이언스 at 2023-05-30T21:25:11-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
