Empire State Building projections - how?

[ptero]

Just wondering if anyone knows how they did the animal projections on the Empire State Building 8/1/15? I see engadget.com notes: The piece relied on 40 stacked projectors to beam 5K video on to the legendary New York City skyscraper.

A number of stories note the 40 projectors part, but none seem to have much more than that.

Just curious... Thanks.

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(Post edited to add embedded YouTube video.)

 

[ruinexplorer]

Here's the people who did it: http://obscuradigital.com/work/racingextinction/

I'm sure one of the industry magazines will have an article on it soon.