Distribution of k:natural; v:tree nodes in Szczecin. Poland,
contributed by the city’s cadastre bureau.
This is a Featured image, which means that it has been identified as
one of the best examples of OpenStreetMap mapping, or that it provides
a useful illustration of the OpenStreetMap project.
If you know another image of similar quality, you can nominate it on
http://wiki.openstreetmap.org/wiki/Featured_image_proposals