Fantastic visualization of where geotagged photos are upload from, for two groups: (1) locals in blue, (2) tourists in red.
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Fantastic visualization of where geotagged photos are upload from, for two groups: (1) locals in blue, (2) tourists in red.
I also love this one of SF which highlights all the ferry routes: http://www.flickr.com/photos/walkingsf/4671581511/