By 
Eric Sanderson
 | 
TED Stage Talk

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.

Related tags:

cities
environment
history
nature
sustainability
technology
visualizations
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