If We Built It Today
8.00/10
2021-11-10
45 의사록.
HD
The Great Wall of China is one of the world's greatest engineering marvels, and it took dangerous, cutting-edge construction to build it. Experts use the latest tech and modern-day science to reveal if building it a second time would be just as deadly.
년: 2021
사진관: Science
국가: United States of America
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