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Slideshow: The Beautiful and Impactful Aerial Imagery of Grassroots Mapping

The DIY cartography movement of grassroots mapping not only creates stunning imagery, but collects important data that can make a real difference.

Want to learn more about grassroots mapping? Read this post about the burgeoning movement and the Public Laboratory for Open Technology and Science.

All images have been dedicated to the Public Domain, or used with permission by the photographers/cartographers.

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