![How Did They Build That? Season 3 Episode 7](https://image.tmdb.org/t/p/w342/vJRfJ56Z1m17tZLsQlRCo6KcelA.jpg)
How Did They Build That? Season 3 Episode 7
Floating & Lifting
Returning Series
45 min
7.7/10 Votes: 22
Architects and engineers build an eco-friendly convention center on Vancouver's waterfront, a lift bridge in Bordeaux and a cocoon-shaped skyscraper in Tokyo each with unique challenges like marine habitats and massive spans.