French Bridge Built High Over a Wind-Swept Valley ️ How Did They Build That? | Smithsonian Channel
0
0
1,058 观看·
10/20/23
The stand-out feature of the Millau Viaduct bridge is its record-breaking height. But the way it was constructed, high over the Gorge Valley via a series of computer-controlled hydraulic platforms,...
显示更多
0 评论
sort 排序方式
