
6 עונה
41 פרק
Mega Builders - Season 4 Episode 3 פרק 3
Can engineers make 6,000-ton concrete pontoons float? That's the only way to construct this astonishing bridge in Canada, but can they pull it off?
- שָׁנָה: 2012
- מדינה: Canada, Germany, United States of America
- ז'ָאנר: Documentary
- סטוּדִיוֹ: Discovery
- מילת מפתח: technology
- מְנַהֵל:
- ללהק: