33 by ston3r | 4 comments on Hacker News.
New top story on Hacker News: Drone-mapping slums for land titling – one pixel at a time
Drone-mapping slums for land titling – one pixel at a time
33 by ston3r | 4 comments on Hacker News.
33 by ston3r | 4 comments on Hacker News.
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