> More interesting is the things China and some other countries do around datums. Here's detailed info about this: https://en.wikipedia.org/wiki/Restrictions_o

> More interesting is the things China and some other countries do around datums. Here's detailed info about this: https://en.wikipedia.org/wiki/Restrictions_on_geographic_data_in_China https://en.wikipedia.org/wiki/Restrictions_on_geographic_dat...