Lidar is a tool that maps things on the earths surface using laser pulses and GPS to come up with this incredibly detailed outline of the city. This Lidar photo was takes pre 9-11 attacks in Manhattan and display the city and vegetation around it. This could be considered a map because not only to you get the ariel shot of the city, but you also are able tell elevation heights by the color of each building. The reddish color seen on top of some of these building are indication that they are extremely tall.
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