![MegaStructures](https://image.tmdb.org/t/p/w342/su1CZwwZ7lx2RQvBIsijOcoXV9s.jpg)
9 シーズン
158 エピソード
MegaStructures - Season 9 Episode 6 第6話
How an innovative tunnel in Malaysia was designed to deal with rainwater from storms, as well as provide a solution to traffic problems.
- 年: 2012
- 国: United States of America
- ジャンル: Documentary
- スタジオ: National Geographic
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