OpenStreetMap
Something I wrote about OpenStreetMap (OSM)
Jeff Neitzel 于 2015年十一月 2日 以 English 发布 最后一次更新于2015年十一月 4日。… and why it matters to me …
You can read it via Humanity, Geography, GIS, and Open Data if you like.
For the record, I updated this post yesterday.
Cheers & Pax! :^)