数か月かかる工事をわずか2日で実現。災害を防ぐ流路を作る日本の画期的な土木技術。【布製型枠工法】
52:16
Recovery Process from Road Collapse Due to Rain【Disaster Recovery Project Part 1-6 Compilation】
39:45
Japan's world-class civil engineering technology! 4 construction projects
28:27
The workers built beautiful, durable stone bridges
19:02
Melting 50 Million Tons of Iron Ore! Process of Making High Quality Wire Rods in Korea
13:09
Mind-Blowing Construction Techniques You Didn't Know Existed, Most Ingenious Construction Techniques
11:42
Restoring a landslide-prone mountain slope using 2000-year-old stone stacking techniques.
18:20
Incredible Moments Caught on Camera
30:57