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. 2013 May 6;8(5):e61460. doi: 10.1371/journal.pone.0061460

Figure 2. Aerial photography, mapping and lighting indicators for a 100 m square manufacturing zone and road intersection.

Figure 2

(A) A daytime aerial photograph, reprinted from original photography under a CC BY license, with permission from Bluesky International Limited, original copyright [2007] (B) OS MasterMap land-cover and land-use parcels reprinted from original mapping under a CC BY license, with permission from the Ordinance Survey, original copyright [2008], (C) a night time aerial colour photograph reprinted from original aerial photography under a CC BY license, with permission from the Environment Agency, original copyright [2009] and (D) a raster representing ground lux, overlain by a point layer representing lamp centres.