senseFly is a Parrot company. Copyright © senseFly 2015. All rights reserved. senseFly Ltd., 1033 Cheseaux-Lausanne, Switzerland. 1 As part of the U.K. Environment Agency’s sea defence and beach management remit, the shingle of the beaches it manages must be replenished every few years. This replenishment is a crucial anti-erosion measure, necessary to prevent tides gradually shifting the shingle along the coast, leaving shores exposed and placing local low-lying neighbourhoods at risk of flooding. One such beach sits between the villages of Littlestone and St. Mary’s Bay in Kent, a county in the south east of England. It was here that UAV service provider ATEC-3D was employed by the Environment Agency to survey half a square kilometer (0.2 mi 2 ) of beach with its eBee mapping d

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