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16/ Still, on the topic of geocoding challenges, fast urbanization is only one of our problems - under Chinese law, geographic information in the PRC is restricted to authorized entities, meaning you can be fined for unauthorized geotagging.

https://en.wikipedia.org/wiki/Restrictions_on_geographic_data_in_China

The Chinese govt mandates an obfuscation algorithm which adds apparently random offsets to both the latitude and longitude, with the alleged goal of improving national security

https://gis.stackexchange.com/questions/141542/what-causes-the-gps-offset-shift-in-china