서울 지하철 땅속 터널 300km를 전부 땅 위로 꺼내면 생기는 일
Published October 6, 2026
Views 20.7K | Likes 168 | Comments 1
Ranked #14,023,540 globally by view count, this video has accumulated 20.7K views since it was published on Oct 6, 2026.
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