# Eric Sanderson pictures New York -- before the City

400 years after Hudson found New York harbor, Eric Sanderson shares how he made a 3D map of Mannahatta's fascinating pre-city ecology of hills, rivers, wildlife -- accurate down to the block -- when Times Square was a wetland and you couldn't get delivery.

- Kind: Talk
- Year: 2009
- Runtime: 16 min
- By: TED.com
- Genres: Education, Science, Nature, History
- Archive: [Internet Archive](https://archive.org/details/EricSanderson_2009G)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/EricSanderson_2009G?play=1)