"똥으로 건물 지으면 더 튼튼?" 더 단단해진 슈퍼 콘크리트 / KNN
Published October 18, 2026
Views 67.6K | Likes 72 | Comments 50
Ranked #13,508,023 globally by view count, this video has accumulated 67.6K views since it was published on Oct 18, 2026.
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