Eric Fischer has struck again and expanded on the Geotaggers' World Atlas. He has now released a series of map that use Flickr data to distinguish between photos taken by locals and photos taken by tourists. The results are fascinating, and you get to see very different areas of interest between locals and tourists. In the three maps below (London, San Francisco and New York, red pictures are taken by tourists and blue pictures are taken by locals. Head over to his site for the full collection of 81 maps.