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| Title | : | How Did They Build That? |
|---|---|---|
| Genre | : | Documentary |
| Overview | : | A sculptural new transportation hub for New York's World Trade Center is beset by challenges. Then, Amsterdam gains a striking building inspired by a mountain valley, and a new launchpad for space travel prepares for liftoff. |
| How to watch? | : | Select a server above. If one doesn't work, try another. The video should load quickly! |
