Hellow guys, Welcome to my website, and you are watching 세계에서 가장 오래된 건축 기술의 진수 the essence of the world's oldest architectural technology#이슈 #지식 #history. and this vIdeo is uploaded by 60초 안에 담긴 세상 at 2025-03-03T07:00:29-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.