For this map I chose to uplaod two after I came across these pictures. This data gathered using LIDAR. These maps are made from from three different systems which are all combined into one. These systems are lasers, GPS, and INS. These maps use light and and ranging to develope these maps. The two pictures above a LIDAR images of Ground Zero. The first one is a before and the second is the after. By having LIDAR avialable they were able to see the damage before the smoke fully cleared.
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