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Published on Jul 14, 2011
LIDAR (Light Detection And Ranging,) is an optical remote sensing technology that can measure the distance to, or other properties of a target by illuminating the target with light, often using pulses from a laser. In plain language this means that with aerial photography trees and bushes etc which obstruct the view of the ground, are taken out of the picture..So archaeological features, including 18th century remains are revealed in much greater detail. See Wanstead Park anew! Amazing!