자유의 여신상 : 오늘날의 엔지니어들도 놀라움을 금치 못하는 경이!
Sabin 토목공학 · 16:16
The Statue of Liberty survives wind, hurricanes and even the 1916 Black Tom explosion because of one engineering choice: Gustave Eiffel's iron frame holds the thin copper skin through flexible flat bars that bend like...