New York -- before the City

Name: New York -- before the City
Uploaded: 2009-10-12T08:07:00Z
Duration: 15 min 52 s
Description: 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.

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Eric Sanderson |

TEDGlobal 2009

• July 2009

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.