3 ingenieros japoneses colocan 400 bloques de 1 ton, llevando esperanza a áreas afectadas
![](https://i.ytimg.com/vi/Hxbf5uQuygI/mqdefault.jpg)
15:25
Quick dam-like structures to block rivers in disaster areas. 【Disaster Recovery - Part.8】
![](https://i.ytimg.com/vi/EW2YrsimJWs/mqdefault.jpg)
11:02
This wall saves lives—Japanese craftsmen built a massive wall to prevent mountain collapse.
![](https://i.ytimg.com/vi/rJbZkdfLtZU/mqdefault.jpg)
17:21
They Hide Styrofoam Inside! Process of Making Light Weight Concrete Slab for Modern Buildings
![](https://i.ytimg.com/vi/T62ZmjG7EVE/mqdefault.jpg)
28:27
The workers built beautiful, durable stone bridges
![](https://i.ytimg.com/vi/jdBWMkLZTBs/mqdefault.jpg)
20:37
Full Reveal: Why Japan’s Civil Engineering Is the World’s Best (Manholes & Sewers) #CivilEngineering
![](https://i.ytimg.com/vi/cxlWah99EEY/mqdefault.jpg)
29:48
The manufacturing process of the world's best dining table! A masterpiece of amazing craftsmanship!
![](https://i.ytimg.com/vi/JYzQ_F2ANdY/mqdefault.jpg)
14:11
The process of making a concrete manhole. An amazing concrete factory in Japan.
![](https://i.ytimg.com/vi/9qBpRoSM6Qs/mqdefault.jpg)
1:36:55